{"id":"CVE-2026-39845","aliases":["GHSA-f8hv-g549-hwg2","PYSEC-2026-156"],"url":"https://o3.security/vulnerability/CVE-2026-39845","summary":"Weblate: SSRF via the webhook add-on using unprotected fetch_url()","details":"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.","published":"2026-04-15T18:26:51.706Z","modified":"2026-08-12T03:51:48.571731589Z","cvss":{"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"},"epss":{"score":0.00275,"percentile":0.19584,"asOf":"2026-08-08"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"weblate","fixedVersion":"5.17"}],"fix":{"url":"https://github.com/WeblateOrg/weblate/pull/18815","label":"WeblateOrg/weblate#18815"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39845.json"},{"type":"ADVISORY","url":"https://github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39845"},{"type":"FIX","url":"https://github.com/WeblateOrg/weblate/pull/18815"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:48.571731589Z"}}