{"api_version":"1","generated_at":"2026-11-06T16:34:48+00:00","cve":"CVE-2026-120474","urls":{"html":"https://cve.report/CVE-2026-120474","api":"https://cve.report/api/cve/CVE-2026-120474.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-120474","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-120474"},"summary":{"title":"undici vulnerable to cross-user cache disclosure via same-origin redirect","description":"undici is an HTTP client for Node.js. In versions 7.0.0 through 7.30.1 and 8.0.0 through 8.12.3, when the redirect interceptor and a shared response cache are used together, an authenticated request that is redirected to a same-origin target has the final response stored under the original request's cache key. That key omits the credential and carries no Vary header, so a later anonymous or different user can be served the first user's private response body. This results in cross-user disclosure of cached private responses. The issue is fixed in undici 7.30.2 and 8.12.4, and users should upgrade to one of those versions or later.","state":"PUBLISHED","assigner":"openjs","published_at":"2026-11-06 10:16:36","updated_at":"2026-11-06 10:16:36"},"problem_types":["CWE-524","CWE-639","CWE-524 CWE-524: Use of Cache Containing Sensitive Information","CWE-639 CWE-639: Authorization Bypass Through User-Controlled Key"],"metrics":[{"version":"3.1","source":"ce714d77-add3-4f53-aff5-83d477b104bb","type":"Secondary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","data":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"}}],"references":[{"url":"https://cna.openjsf.org/security-advisories.html","name":"https://cna.openjsf.org/security-advisories.html","refsource":"ce714d77-add3-4f53-aff5-83d477b104bb","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/nodejs/undici/security/advisories/GHSA-7xg3-fphp-28hg","name":"https://github.com/nodejs/undici/security/advisories/GHSA-7xg3-fphp-28hg","refsource":"ce714d77-add3-4f53-aff5-83d477b104bb","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-120474","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120474","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"undici","product":"undici","version":"affected 7.0.0 7.30.2 semver","platforms":[]},{"source":"CNA","vendor":"undici","product":"undici","version":"unaffected 7.30.2 semver","platforms":[]},{"source":"CNA","vendor":"undici","product":"undici","version":"affected 8.0.0 8.12.4 semver","platforms":[]},{"source":"CNA","vendor":"undici","product":"undici","version":"unaffected 8.12.4 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"manus-use","lang":"en"},{"source":"CNA","value":"mcollina","lang":"en"},{"source":"CNA","value":"UlisesGascon","lang":"en"},{"source":"CNA","value":"AliAAlMousa","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","packageURL":"pkg:npm/undici","product":"undici","vendor":"undici","versions":[{"lessThan":"7.30.2","status":"affected","version":"7.0.0","versionType":"semver"},{"status":"unaffected","version":"7.30.2","versionType":"semver"},{"lessThan":"8.12.4","status":"affected","version":"8.0.0","versionType":"semver"},{"status":"unaffected","version":"8.12.4","versionType":"semver"}]}],"credits":[{"lang":"en","type":"reporter","value":"manus-use"},{"lang":"en","type":"remediation developer","value":"mcollina"},{"lang":"en","type":"remediation developer","value":"UlisesGascon"},{"lang":"en","type":"finder","value":"AliAAlMousa"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"undici is an HTTP client for Node.js. In versions 7.0.0 through 7.30.1 and 8.0.0 through 8.12.3, when the redirect interceptor and a shared response cache are used together, an authenticated request that is redirected to a same-origin target has the final response stored under the original request's cache key. That key omits the credential and carries no Vary header, so a later anonymous or different user can be served the first user's private response body. This results in cross-user disclosure of cached private responses. The issue is fixed in undici 7.30.2 and 8.12.4, and users should upgrade to one of those versions or later."}],"value":"undici is an HTTP client for Node.js. In versions 7.0.0 through 7.30.1 and 8.0.0 through 8.12.3, when the redirect interceptor and a shared response cache are used together, an authenticated request that is redirected to a same-origin target has the final response stored under the original request's cache key. That key omits the credential and carries no Vary header, so a later anonymous or different user can be served the first user's private response body. This results in cross-user disclosure of cached private responses. The issue is fixed in undici 7.30.2 and 8.12.4, and users should upgrade to one of those versions or later."}],"metrics":[{"cvssV3_1":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-524","description":"CWE-524: Use of Cache Containing Sensitive Information","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-11-06T09:57:46.664Z","orgId":"ce714d77-add3-4f53-aff5-83d477b104bb","shortName":"openjs"},"references":[{"url":"https://github.com/nodejs/undici/security/advisories/GHSA-7xg3-fphp-28hg"},{"url":"https://cna.openjsf.org/security-advisories.html"}],"title":"undici vulnerable to cross-user cache disclosure via same-origin redirect","x_generator":{"engine":"cve-kit 1.0.0"}}},"cveMetadata":{"assignerOrgId":"ce714d77-add3-4f53-aff5-83d477b104bb","assignerShortName":"openjs","cveId":"CVE-2026-120474","datePublished":"2026-11-06T09:57:46.664Z","dateReserved":"2026-11-02T13:47:10.769Z","dateUpdated":"2026-11-06T09:57:46.664Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-11-06 10:16:36","lastModifiedDate":"2026-11-06 10:16:36","problem_types":["CWE-524","CWE-639","CWE-524 CWE-524: Use of Cache Containing Sensitive Information","CWE-639 CWE-639: Authorization Bypass Through User-Controlled Key"],"metrics":{"cvssMetricV31":[{"source":"ce714d77-add3-4f53-aff5-83d477b104bb","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":4.2}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"120474","Ordinal":"1","Title":"undici vulnerable to cross-user cache disclosure via same-origin","CVE":"CVE-2026-120474","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"120474","Ordinal":"1","NoteData":"undici is an HTTP client for Node.js. In versions 7.0.0 through 7.30.1 and 8.0.0 through 8.12.3, when the redirect interceptor and a shared response cache are used together, an authenticated request that is redirected to a same-origin target has the final response stored under the original request's cache key. That key omits the credential and carries no Vary header, so a later anonymous or different user can be served the first user's private response body. This results in cross-user disclosure of cached private responses. The issue is fixed in undici 7.30.2 and 8.12.4, and users should upgrade to one of those versions or later.","Type":"Description","Title":"undici vulnerable to cross-user cache disclosure via same-origin"}]}}}