weblateorg/wlc · Security
Weblate wlc path traversal vulnerability: Unsanitized API slugs in download command
- GHSA ID
- GHSA-mmwx-79f6-67jg
- CVE ID
- CVE-2026-23535
- Severity
- high
- Published
- Updated
- CVSS
- 8 · CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
- CVSS v3
- 8 · CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Description
Impact
Multi-translation download could write to an arbitrary location when instructed by a crafted server.
Patches
Workarounds
Do not use wlc download with untrusted servers.
References
This issue was reported to us by wh1zee via HackerOne.
CWEs
- CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
- https://github.com/WeblateOrg/wlc/security/advisories/GHSA-mmwx-79f6-67jg ↗
- https://github.com/WeblateOrg/wlc/pull/1128 ↗
- https://github.com/WeblateOrg/wlc/commit/216e691c6e50abae97fe2e4e4f21501bf49a585f ↗
- https://nvd.nist.gov/vuln/detail/CVE-2026-23535 ↗
- https://github.com/WeblateOrg/wlc/releases/tag/1.17.2 ↗
- https://github.com/advisories/GHSA-mmwx-79f6-67jg ↗