Weblate
CVE-2026-21889
HIGH
GHSA-3g2f-4rjg-9385
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from GitHub Advisory.
CVSS VectorGitHub Advisory
Lifecycle Timeline
3DescriptionGitHub Advisory
Weblate is a web based localization tool. Prior to 5.15.2, the screenshot images were served directly by the HTTP server without proper access control. This could allow an unauthenticated user to access screenshots after guessing their filename. This vulnerability is fixed in 5.15.2.
AnalysisAI
Weblate versions prior to 5.15.2 expose screenshot images through the web server without authentication controls, enabling unauthenticated attackers to retrieve sensitive screenshots by predicting their filenames. This improper access control flaw affects all users whose screenshot content should be restricted. A patch is available in version 5.15.2 and later.
Technical ContextAI
Classified as CWE-284 (Improper Access Control). Affects Weblate. Weblate is a web based localization tool. Prior to 5.15.2, the screenshot images were served directly by the HTTP server without proper access control. This could allow an unauthenticated user to access screenshots after guessing their filename. This vulnerability is fixed in 5.15.2.
RemediationAI
A vendor patch is available — apply it immediately. Fixed in version 5.15.2.. Restrict network access to the affected service where possible.
Weblate is a web based localization tool. An open redirect exists in versions 5.13.2 and below via the redir parameter o
Privilege escalation in Weblate versions prior to 5.17 allows an authenticated low-privileged user to modify sensitive f
The package weblate from 0 and before 4.11.1 are vulnerable to Remote Code Execution (RCE) via argument injection when u
Weblate's REST API failed to enforce permission scope on team (group) assignments in all versions prior to 2026.7, allow
Remote code execution in Weblate's project backup restoration affects versions prior to 5.17, exploitable by authenticat
The wlc Weblate command-line client prior to version 1.17.2 is vulnerable to arbitrary file write attacks through path t
Arbitrary file read via symlink traversal in Weblate's App store metadata ZIP download affects all versions prior to 202
Arbitrary file read vulnerability in Weblate versions prior to 5.17 allows authenticated attackers to read sensitive fil
Path traversal in Weblate allows authenticated users to read arbitrary files outside the repository via the translation
Weblate versions up to 5.16.0 contains a vulnerability that allows attackers to an argument injection to `ssh-add` (CVSS
Unbounded regular expression evaluation in Weblate prior to 2026.7 allows any authenticated user holding the built-in 'E
Weblate is a web based localization tool. Rated low severity (CVSS 2.2), this vulnerability is remotely exploitable. Pub
Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
View allVendor StatusVendor
SUSE
Severity: High| Product | Status |
|---|---|
| openSUSE Tumbleweed | Fixed |
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External POC / Exploit Code
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