PT-2026-33124 · Weblate · Weblate

Published 2026-04-15 · Updated 2026-04-16 · CVE-2026-39845

Positive Technologies (AI Summary)

CVSS v3.1

4.1

Medium

Base vector

AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Weblate versions prior to 5.17

Description The webhook add-on fails to utilize existing Server-Side Request Forgery (SSRF) protections. SSRF is a flaw that allows an attacker to induce the server-side application to make requests to an unintended location.

Recommendations Update to version 5.17. As a temporary workaround, disable the webhook add-on.

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2026-39845

GHSA-F8HV-G549-HWG2

PYSEC-2026-156

Affected Products

Weblate

References · 7

• https://github.com/WeblateOrg/weblate/pull/18815 · Patch
• https://osv.dev/vulnerability/GHSA-f8hv-g549-hwg2 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-156 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-39845 · Security Note
• https://github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2 · Note
• https://github.com/WeblateOrg/weblate · Note
• https://twitter.com/CVEnew/status/2044737935413498226 · Twitter Post