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CVE-2026-34244

Weblate: SSRF via Project-Level Machinery Configuration

Published: Apr 15, 2026Updated: Apr 21, 2026 Sources: CVE List NVDCWE-200
NVD MITRE
5.0CVSSMEDIUM
EPSS Score
0.2%
Top 85.1%
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, a user with the project.edit permission (granted by the per-project "Administration" role) can configure machine translation service URLs pointing to arbitrary internal network addresses. During configuration validation, Weblate makes an HTTP request to the attacker-controlled URL and reflects up to 200 characters of the response body back to the user in an error message. This constitutes a Server-Side Request Forgery (SSRF) with partial response read. This issue has been fixed in version 5.17. If developers are unable to immediately upgrade, they can limit available machinery services via WEBLATE_MACHINERY setting.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-200CWE-918

Affected Products

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

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

3 techniques
Collection
Command and Control
Initial Access
View detailed technique mapping

References

https://github.com/WeblateOrg/weblate/security/advisories/GHSA-xrwr-fcw6-fmq8
github.com
https://github.com/WeblateOrg/weblate/commit/e619e9090202e4886b844c110d39308e7e882c0e
github.com

Timeline

Published
Apr 15, 2026
Last Updated
Apr 21, 2026

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