CVE-2026-34393 HIGH

CVE-2026-34393: Weblate: Privilege escalation in the user API endpoint

Vendor Weblateorg
Product weblate
Weakness CWE-269
Published April 15, 2026
Last update April 15, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.

Key dates

02Disclosure timeline

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