CVE-2026-39845 MEDIUM

CVE-2026-39845: Weblate: SSRF via the webhook add-on using unprotected fetch_url()

Vendor Weblateorg
Product weblate
Weakness CWE-918 · SSRF
Published April 15, 2026
Last update April 15, 2026
View on NVD All CVEs

CVSS base score

4.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 15, 2026 CVE published
April 15, 2026 Record updated