CVE-2026-34393

HIGH

Weblate: Privilege escalation in the user API endpoint

Title source: cna
STIX 2.1

Description

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.

References (2)

Core 2
Core References
X_Refsource_Misc x_refsource_misc
https://github.com/WeblateOrg/weblate/pull/18687

Scores

CVSS v3 8.8
EPSS 0.0034
EPSS Percentile 25.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-269
Status published
Products (4)
pypi/weblate 0 - 5.17PyPI
pypi/Weblate 0 - 5.17PyPI
weblate/weblate < 5.17
WeblateOrg/weblate < 5.17
Published Apr 15, 2026
Tracked Since Apr 16, 2026