{"api_version":"1","generated_at":"2026-09-15T07:47:03+00:00","cve":"CVE-2026-3783","urls":{"html":"https://cve.report/CVE-2026-3783","api":"https://cve.report/api/cve/CVE-2026-3783.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-3783","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-3783"},"summary":{"title":"token leak with redirect and netrc","description":"When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer\nperforms a redirect to a second URL, curl could leak that token to the second\nhostname under some circumstances.\n\nIf the hostname that the first request is redirected to has information in the\nused .netrc file, with either of the `machine` or `default` keywords, curl\nwould pass on the bearer token set for the first host also to the second one.","state":"PUBLISHED","assigner":"curl","published_at":"2026-03-11 11:16:00","updated_at":"2026-09-15 07:16:27"},"problem_types":["CWE-522","CWE-522 Insufficiently Protected Credentials","CWE-522 CWE-522 Insufficiently Protected Credentials"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"5.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"5.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"}}],"references":[{"url":"https://curl.se/docs/CVE-2026-3783.html","name":"https://curl.se/docs/CVE-2026-3783.html","refsource":"2499f714-1537-4658-8207-48ae4bb9eae9","tags":["Patch","Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://curl.se/docs/CVE-2026-3783.json","name":"https://curl.se/docs/CVE-2026-3783.json","refsource":"2499f714-1537-4658-8207-48ae4bb9eae9","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://hackerone.com/reports/3583983","name":"https://hackerone.com/reports/3583983","refsource":"2499f714-1537-4658-8207-48ae4bb9eae9","tags":["Exploit","Issue Tracking","Third Party Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"http://www.openwall.com/lists/oss-security/2026/03/11/2","name":"http://www.openwall.com/lists/oss-security/2026/03/11/2","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-3783","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3783","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.33.0 8.14.2 semver","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.15.0 8.16.1 semver","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.17.0 8.19.0 semver","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 06c1bea72faabb6fad4b7ef818aafaa336c9a7aa e3d7401a32a46516c9e5ee877e613e62ed35bddc git","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.18.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.17.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.16.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.15.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.14.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.14.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.13.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.12.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.12.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.11.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.11.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.10.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.10.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.9.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.9.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.8.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.7.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.7.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.6.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.5.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.4.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.3.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.2.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.2.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.1.2","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.1.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.1.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.0.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.0.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.88.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.88.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.87.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.86.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.85.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.84.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.83.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.83.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.82.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.81.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.80.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.79.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.79.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.78.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.77.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.76.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.76.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.75.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.74.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.73.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.72.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.71.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.71.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.70.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.69.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.69.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.68.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.67.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.66.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.65.3","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.65.2","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.65.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.65.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.64.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.64.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.63.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.62.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.61.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.61.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.60.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.59.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.58.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.57.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.56.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.56.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.55.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.55.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.54.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.54.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.53.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.53.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.52.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.52.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.51.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.50.3","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.50.2","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.50.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.50.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.49.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.49.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.48.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.47.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.47.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.46.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.45.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.44.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.43.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.42.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.42.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.41.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.40.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.39.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.38.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.37.1","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.37.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.36.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.35.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.34.0","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 7.33.0","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"spectreglobalsec on hackerone","lang":"en"},{"source":"CNA","value":"Daniel Stenberg","lang":"en"}],"nvd_cpes":[{"cve_year":"2026","cve_id":"3783","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"haxx","cpe5":"curl","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2026-03-11T10:16:31.282Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"http://www.openwall.com/lists/oss-security/2026/03/11/2"}],"title":"CVE Program Container"},{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}},{"other":{"content":{"id":"CVE-2026-3783","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-03-11T14:25:28.836990Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-522","description":"CWE-522 Insufficiently Protected Credentials","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-03-11T14:26:10.788Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"curl","vendor":"curl","versions":[{"lessThan":"8.14.2","status":"affected","version":"7.33.0","versionType":"semver"},{"lessThan":"8.16.1","status":"affected","version":"8.15.0","versionType":"semver"},{"lessThan":"8.19.0","status":"affected","version":"8.17.0","versionType":"semver"}]},{"defaultStatus":"unaffected","product":"curl","repo":"https://github.com/curl/curl.git","vendor":"curl","versions":[{"lessThan":"e3d7401a32a46516c9e5ee877e613e62ed35bddc","status":"affected","version":"06c1bea72faabb6fad4b7ef818aafaa336c9a7aa","versionType":"git"}]},{"defaultStatus":"unaffected","product":"curl","vendor":"curl","versions":[{"status":"affected","version":"8.18.0"},{"status":"affected","version":"8.17.0"},{"status":"affected","version":"8.16.0"},{"status":"affected","version":"8.15.0"},{"status":"affected","version":"8.14.1"},{"status":"affected","version":"8.14.0"},{"status":"affected","version":"8.13.0"},{"status":"affected","version":"8.12.1"},{"status":"affected","version":"8.12.0"},{"status":"affected","version":"8.11.1"},{"status":"affected","version":"8.11.0"},{"status":"affected","version":"8.10.1"},{"status":"affected","version":"8.10.0"},{"status":"affected","version":"8.9.1"},{"status":"affected","version":"8.9.0"},{"status":"affected","version":"8.8.0"},{"status":"affected","version":"8.7.1"},{"status":"affected","version":"8.7.0"},{"status":"affected","version":"8.6.0"},{"status":"affected","version":"8.5.0"},{"status":"affected","version":"8.4.0"},{"status":"affected","version":"8.3.0"},{"status":"affected","version":"8.2.1"},{"status":"affected","version":"8.2.0"},{"status":"affected","version":"8.1.2"},{"status":"affected","version":"8.1.1"},{"status":"affected","version":"8.1.0"},{"status":"affected","version":"8.0.1"},{"status":"affected","version":"8.0.0"},{"status":"affected","version":"7.88.1"},{"status":"affected","version":"7.88.0"},{"status":"affected","version":"7.87.0"},{"status":"affected","version":"7.86.0"},{"status":"affected","version":"7.85.0"},{"status":"affected","version":"7.84.0"},{"status":"affected","version":"7.83.1"},{"status":"affected","version":"7.83.0"},{"status":"affected","version":"7.82.0"},{"status":"affected","version":"7.81.0"},{"status":"affected","version":"7.80.0"},{"status":"affected","version":"7.79.1"},{"status":"affected","version":"7.79.0"},{"status":"affected","version":"7.78.0"},{"status":"affected","version":"7.77.0"},{"status":"affected","version":"7.76.1"},{"status":"affected","version":"7.76.0"},{"status":"affected","version":"7.75.0"},{"status":"affected","version":"7.74.0"},{"status":"affected","version":"7.73.0"},{"status":"affected","version":"7.72.0"},{"status":"affected","version":"7.71.1"},{"status":"affected","version":"7.71.0"},{"status":"affected","version":"7.70.0"},{"status":"affected","version":"7.69.1"},{"status":"affected","version":"7.69.0"},{"status":"affected","version":"7.68.0"},{"status":"affected","version":"7.67.0"},{"status":"affected","version":"7.66.0"},{"status":"affected","version":"7.65.3"},{"status":"affected","version":"7.65.2"},{"status":"affected","version":"7.65.1"},{"status":"affected","version":"7.65.0"},{"status":"affected","version":"7.64.1"},{"status":"affected","version":"7.64.0"},{"status":"affected","version":"7.63.0"},{"status":"affected","version":"7.62.0"},{"status":"affected","version":"7.61.1"},{"status":"affected","version":"7.61.0"},{"status":"affected","version":"7.60.0"},{"status":"affected","version":"7.59.0"},{"status":"affected","version":"7.58.0"},{"status":"affected","version":"7.57.0"},{"status":"affected","version":"7.56.1"},{"status":"affected","version":"7.56.0"},{"status":"affected","version":"7.55.1"},{"status":"affected","version":"7.55.0"},{"status":"affected","version":"7.54.1"},{"status":"affected","version":"7.54.0"},{"status":"affected","version":"7.53.1"},{"status":"affected","version":"7.53.0"},{"status":"affected","version":"7.52.1"},{"status":"affected","version":"7.52.0"},{"status":"affected","version":"7.51.0"},{"status":"affected","version":"7.50.3"},{"status":"affected","version":"7.50.2"},{"status":"affected","version":"7.50.1"},{"status":"affected","version":"7.50.0"},{"status":"affected","version":"7.49.1"},{"status":"affected","version":"7.49.0"},{"status":"affected","version":"7.48.0"},{"status":"affected","version":"7.47.1"},{"status":"affected","version":"7.47.0"},{"status":"affected","version":"7.46.0"},{"status":"affected","version":"7.45.0"},{"status":"affected","version":"7.44.0"},{"status":"affected","version":"7.43.0"},{"status":"affected","version":"7.42.1"},{"status":"affected","version":"7.42.0"},{"status":"affected","version":"7.41.0"},{"status":"affected","version":"7.40.0"},{"status":"affected","version":"7.39.0"},{"status":"affected","version":"7.38.0"},{"status":"affected","version":"7.37.1"},{"status":"affected","version":"7.37.0"},{"status":"affected","version":"7.36.0"},{"status":"affected","version":"7.35.0"},{"status":"affected","version":"7.34.0"},{"status":"affected","version":"7.33.0"}]}],"credits":[{"lang":"en","type":"finder","value":"spectreglobalsec on hackerone"},{"lang":"en","type":"remediation developer","value":"Daniel Stenberg"}],"descriptions":[{"lang":"en","value":"When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer\nperforms a redirect to a second URL, curl could leak that token to the second\nhostname under some circumstances.\n\nIf the hostname that the first request is redirected to has information in the\nused .netrc file, with either of the `machine` or `default` keywords, curl\nwould pass on the bearer token set for the first host also to the second one."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-522","description":"Insufficiently Protected Credentials","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-15T06:02:52.569Z","orgId":"2499f714-1537-4658-8207-48ae4bb9eae9","shortName":"curl"},"references":[{"url":"https://curl.se/docs/CVE-2026-3783.json"},{"url":"https://curl.se/docs/CVE-2026-3783.html"},{"url":"https://hackerone.com/reports/3583983"}],"title":"token leak with redirect and netrc","x_generator":{"engine":"cvelib 1.8.0"},"x_osv":{"affected":[{"ranges":[{"events":[{"introduced":"7.33.0"},{"fixed":"8.14.2"},{"introduced":"8.15.0"},{"fixed":"8.16.1"},{"introduced":"8.17.0"},{"fixed":"8.19.0"}],"type":"SEMVER"},{"events":[{"introduced":"06c1bea72faabb6fad4b7ef818aafaa336c9a7aa"},{"fixed":"e3d7401a32a46516c9e5ee877e613e62ed35bddc"}],"repo":"https://github.com/curl/curl.git","type":"GIT"}],"versions":["8.18.0","8.17.0","8.16.0","8.15.0","8.14.1","8.14.0","8.13.0","8.12.1","8.12.0","8.11.1","8.11.0","8.10.1","8.10.0","8.9.1","8.9.0","8.8.0","8.7.1","8.7.0","8.6.0","8.5.0","8.4.0","8.3.0","8.2.1","8.2.0","8.1.2","8.1.1","8.1.0","8.0.1","8.0.0","7.88.1","7.88.0","7.87.0","7.86.0","7.85.0","7.84.0","7.83.1","7.83.0","7.82.0","7.81.0","7.80.0","7.79.1","7.79.0","7.78.0","7.77.0","7.76.1","7.76.0","7.75.0","7.74.0","7.73.0","7.72.0","7.71.1","7.71.0","7.70.0","7.69.1","7.69.0","7.68.0","7.67.0","7.66.0","7.65.3","7.65.2","7.65.1","7.65.0","7.64.1","7.64.0","7.63.0","7.62.0","7.61.1","7.61.0","7.60.0","7.59.0","7.58.0","7.57.0","7.56.1","7.56.0","7.55.1","7.55.0","7.54.1","7.54.0","7.53.1","7.53.0","7.52.1","7.52.0","7.51.0","7.50.3","7.50.2","7.50.1","7.50.0","7.49.1","7.49.0","7.48.0","7.47.1","7.47.0","7.46.0","7.45.0","7.44.0","7.43.0","7.42.1","7.42.0","7.41.0","7.40.0","7.39.0","7.38.0","7.37.1","7.37.0","7.36.0","7.35.0","7.34.0","7.33.0"]}],"aliases":["CVE-2026-3783"],"credits":[{"name":"spectreglobalsec on hackerone","type":"finder"},{"name":"Daniel Stenberg","type":"remediation developer"}],"database_specific":{"CWE":{"desc":"Insufficiently Protected Credentials","id":"CWE-522"},"URL":"https://curl.se/docs/CVE-2026-3783.json","affects":"both","issue":"https://hackerone.com/reports/3583983","last_affected":"8.18.0","package":"curl","severity":"Medium","www":"https://curl.se/docs/CVE-2026-3783.html"},"details":"When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer\nperforms a redirect to a second URL, curl could leak that token to the second\nhostname under some circumstances.\n\nIf the hostname that the first request is redirected to has information in the\nused .netrc file, with either of the `machine` or `default` keywords, curl\nwould pass on the bearer token set for the first host also to the second one.","id":"CURL-CVE-2026-3783","modified":"2026-09-07T10:34:51.00Z","published":"2026-03-11T08:00:00.00Z","schema_version":"1.5.0","summary":"token leak with redirect and netrc"}}},"cveMetadata":{"assignerOrgId":"2499f714-1537-4658-8207-48ae4bb9eae9","assignerShortName":"curl","cveId":"CVE-2026-3783","datePublished":"2026-03-11T10:09:08.746Z","dateReserved":"2026-03-08T05:09:09.891Z","dateUpdated":"2026-09-15T06:02:52.569Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-11 11:16:00","lastModifiedDate":"2026-09-15 07:16:27","problem_types":["CWE-522","CWE-522 Insufficiently Protected Credentials","CWE-522 CWE-522 Insufficiently Protected Credentials"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-03-11T14:25:28.836990Z","id":"CVE-2026-3783","options":[{"exploitation":"poc"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*","versionStartIncluding":"7.33.0","versionEndExcluding":"8.19.0","matchCriteriaId":"742F398A-5BE6-4B1A-BBE6-2A5FB57B8B3E"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"3783","Ordinal":"1","Title":"token leak with redirect and netrc","CVE":"CVE-2026-3783","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"3783","Ordinal":"1","NoteData":"When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer\nperforms a redirect to a second URL, curl could leak that token to the second\nhostname under some circumstances.\n\nIf the hostname that the first request is redirected to has information in the\nused .netrc file, with either of the `machine` or `default` keywords, curl\nwould pass on the bearer token set for the first host also to the second one.","Type":"Description","Title":"token leak with redirect and netrc"}]}}}