Weblate: SSRF via the webhook add-on using unprotected fetch_url()
### Impact The webhook add-on did not utilize existing SSRF protection. ### Patches * https://github.com/WeblateOrg/weblate/pull/18815 ### Workarounds Disabling the add-on would avoid misusing this. ### References Thanks to @Lihfdgjr for reporting this via GitHub.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-39845US | — | — | ||
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 dev… | ||||
02
references
External citations — patches, advisories, analysis.
- https://github.com/WeblateOrg/weblatePACKAGE
- https://github.com/WeblateOrg/weblate/pull/18815WEB
- https://github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2WEB
- https://github.com/pypa/advisory-database/tree/main/vulns/weblate/PYSEC-2026-156.yamlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-39845ADVISORY
scry
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan