{"api_version":"1","generated_at":"2026-04-16T01:18:19+00:00","cve":"CVE-2026-39845","urls":{"html":"https://cve.report/CVE-2026-39845","api":"https://cve.report/api/cve/CVE-2026-39845.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-39845","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-39845"},"summary":{"title":"Weblate: SSRF via the webhook add-on using unprotected fetch_url()","description":"Weblate is a web based localization tool. In versions prior to 5.17, the webhook add-on did not utilize existing SSRF protections. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can disable the webhook add-on as a workaround.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-04-15 19:16:36","updated_at":"2026-04-15 19:16:36"},"problem_types":["CWE-918","CWE-918 CWE-918: Server-Side Request Forgery (SSRF)"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"4.1","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N","baseScore":4.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"4.1","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N","version":"3.1"}}],"references":[{"url":"https://github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2","name":"https://github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/WeblateOrg/weblate/pull/18815","name":"https://github.com/WeblateOrg/weblate/pull/18815","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-39845","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39845","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"WeblateOrg","product":"weblate","version":"affected < 5.17","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"weblate","vendor":"WeblateOrg","versions":[{"status":"affected","version":"< 5.17"}]}],"descriptions":[{"lang":"en","value":"Weblate is a web based localization tool. In versions prior to 5.17, the webhook add-on did not utilize existing SSRF protections. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can disable the webhook add-on as a workaround."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-04-15T18:26:51.706Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2"},{"name":"https://github.com/WeblateOrg/weblate/pull/18815","tags":["x_refsource_MISC"],"url":"https://github.com/WeblateOrg/weblate/pull/18815"}],"source":{"advisory":"GHSA-f8hv-g549-hwg2","discovery":"UNKNOWN"},"title":"Weblate: SSRF via the webhook add-on using unprotected fetch_url()"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-39845","datePublished":"2026-04-15T18:26:51.706Z","dateReserved":"2026-04-07T19:13:20.378Z","dateUpdated":"2026-04-15T18:26:51.706Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-15 19:16:36","lastModifiedDate":"2026-04-15 19:16:36","problem_types":["CWE-918","CWE-918 CWE-918: Server-Side Request Forgery (SSRF)"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N","baseScore":4.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":1.4}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"39845","Ordinal":"1","Title":"Weblate: SSRF via the webhook add-on using unprotected fetch_url","CVE":"CVE-2026-39845","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"39845","Ordinal":"1","NoteData":"Weblate is a web based localization tool. In versions prior to 5.17, the webhook add-on did not utilize existing SSRF protections. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can disable the webhook add-on as a workaround.","Type":"Description","Title":"Weblate: SSRF via the webhook add-on using unprotected fetch_url"}]}}}