{"action":"Upgrade weblate to 5.17 or later.","affected":[{"fixed":"5.17","introduced":"0"}],"component":"weblate","cve_ids":["CVE-2026-39845"],"ecosystem":"PyPI","epss":0.00275,"exploited":false,"fixed_versions":["5.17"],"ghsa_id":"GHSA-f8hv-g549-hwg2","id":"tcs_01M5KGTARBSCWMV6DECP8XMK9Z","modified_at":"2026-05-20T09:19:24.075975Z","published_at":"2026-04-15T19:16:36.373Z","references":["https://osv.dev/vulnerability/PYSEC-2026-156","https://github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2","https://github.com/WeblateOrg/weblate/pull/18815"],"severity":{"label":"medium","score":4.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-156","url":"https://osv.dev/vulnerability/PYSEC-2026-156"}],"summary":"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 t"}