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CVE-2026-34393

Weblate: Privilege escalation in the user API endpoint

Published: Apr 15, 2026Updated: Apr 21, 2026 Sources: CVE List NVDCWE-269
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.4%
Top 69.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-269

Affected Products

weblateweblate
On-prem
Enterprise Software
weblateWeblateOrg
On-prem
DevTools & CI / source-control
weblatecommercialEnterprise Software
weblateorgoss-projectCZDevTools & CIaka weblate, wlc

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://github.com/WeblateOrg/weblate/pull/18687
github.com
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-3382-gw9x-477v
github.com

Timeline

Published
Apr 15, 2026
Last Updated
Apr 21, 2026

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