Path Traversal in Weblate Wlc
CVE-2026-23535
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Weblate Wlc
- Weblateorg Wlc — versions < 1.17.2
Weakness classification (CWE)
References
- github.com/WeblateOrg/wlc/security/advisories/GHSA-mmwx-79f6-67jg (Patch, Mitigation, Vendor Advisory)
- github.com/WeblateOrg/wlc/pull/1128 (Patch, Issue Tracking)
- github.com/WeblateOrg/wlc/commit/216e691c6e50abae97fe2e4e4f21501bf49a585f (Patch)
- github.com/WeblateOrg/wlc/releases/tag/1.17.2 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-23535?
- CVE-2026-23535 is a high-severity vulnerability in Weblate Wlc, classified under Path Traversal. CVSS score: 8.0/10. Published 2026-01-16.
- How severe is CVE-2026-23535?
- High severity. CVSS v3 base score is 8.0 out of 10.