GitHub Advisoryadvisory · PyPI

GHSA-f8hv-g549-hwg2 Weblate: SSRF via the webhook add-on using unprotected fetch_url()

MEDIUM Published 2026-04-16 Modified 2026-06-08 Official page ↗
Aliases
CVE-2026-39845
Ecosystem
PyPI
Packages
Weblate
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
Weaknesses
CWE-918
Reviewed
2026-04-16

Affected packages

• PyPI Weblate: < 5.17 → fixed in 5.17

Description

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.

Related

Alias · CVE (1)

  • CVE-2026-39845 Weblate is a web based localization tool. vulnerability

Weakness · CWE (1)

  • CWE-918 Server-Side Request Forgery weakness

References