weblateorg/weblate · Security
Weblate: SSRF via the webhook add-on using unprotected fetch_url()
- GHSA ID
- GHSA-f8hv-g549-hwg2
- CVE ID
- CVE-2026-39845
- Severity
- medium
- Published
- Updated
- CVSS
- 4.1 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
- CVSS v3
- 4.1 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
Description
Impact
The webhook add-on did not utilize existing SSRF protection.
Patches
Workarounds
Disabling the add-on would avoid misusing this.
References
Thanks to @Lihfdgjr for reporting this via GitHub.
CWEs
- CWE-918 · Server-Side Request Forgery (SSRF)
References
- https://github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2026-39845 ↗
- https://github.com/WeblateOrg/weblate/pull/18815 ↗
- https://github.com/pypa/advisory-database/tree/main/vulns/weblate/PYSEC-2026-156.yaml ↗
- https://github.com/advisories/GHSA-f8hv-g549-hwg2 ↗