Vulnerability · Published Jan 16, 2026 · Assigned by GitHub_M
CVE-2026-23535wlc Path traversal: Unsanitized API slugs in download command
High 8.1
In plain English
A high-severity path traversal in wlc from WeblateOrg. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.4%top 67.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
wlc is a Weblate command-line client using Weblate's REST API. Prior to 1.17.2, the multi-translation download could write to an arbitrary location when instructed by a crafted server. This vulnerability is fixed in 1.17.2.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | wlc | no fix listed | DEBIAN-CVE-2026-23535 |
| Debian:13 | wlc | no fix listed | DEBIAN-CVE-2026-23535 |
| Debian:14 | wlc | 1.17.2-1 | DEBIAN-CVE-2026-23535 |
| PyPI | wlc | 1.17.2 | GHSA-mmwx-79f6-67jg |
| PyPI | wlc | 1.17.2 | PYSEC-2026-2053 |
| Ubuntu:25.10 | wlc | no fix listed | UBUNTU-CVE-2026-23535 |
| Ubuntu:26.04:LTS | wlc | no fix listed | UBUNTU-CVE-2026-23535 |
| Ubuntu:26.10 | wlc | no fix listed | UBUNTU-CVE-2026-23535 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WeblateOrg | wlc | < 1.17.2 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
References
- https://github.com/WeblateOrg/wlc/security/advisories/GHSA-mmwx-79f6-67jg x_refsource_CONFIRM
- https://github.com/WeblateOrg/wlc/pull/1128 x_refsource_MISC
- https://github.com/WeblateOrg/wlc/commit/216e691c6e50abae97fe2e4e4f21501bf49a585f x_refsource_MISC
- https://github.com/WeblateOrg/wlc/releases/tag/1.17.2 x_refsource_MISC