CVE-2026-39845CWE-918
Weblate: SSRF via the webhook add-on using unprotected fetch_url()
Medium · published April 15, 2026
What it is
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.
The record
Technical detail
- CVSS v3.1
- 4.1 · MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
- CVSS v4.0
- Not supplied
- EPSS
- 0.00327 · 24.6th percentile
- Weakness
- CWE-918 · Server-Side Request Forgery (SSRF)
- Published
- 2026-04-15T18:26Z
EPSS history
Timeline