wlc Path traversal: Unsanitized API slugs in download command
Priority LOW 37CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00387 33rd percentileScored 2026-11-07
Fix Fixed wlc (WeblateOrg): 1.17.2wlc (PyPI): 1.17.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| WeblateOrg | wlc | before 1.17.2 | 1.17.2 | Patch available | CNA |
| — | wlc (PyPI) | before 1.17.2 | 1.17.2 | Patch available | GHSA-mmwx-79f6-67jg |
- wlc VendorWeblateOrg Affected before 1.17.2 Fixed in 1.17.2 Patch available CNA
- wlc (PyPI) Vendor— Affected before 1.17.2 Fixed in 1.17.2 Patch available GHSA-mmwx-79f6-67jg
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:weblate:wlc:*:*:*:*:*:*:*:* | before 1.17.2 | Vulnerable | WeblateOrg |
- cpe:2.3:a:weblate:wlc:*:*:*:*:*:*:*:* Versions before 1.17.2 Vulnerable ·WeblateOrg
Remediation
- Fix · CNA wlc (WeblateOrg) Fixed in 1.17.2
- Fix · GHSA-mmwx-79f6-67jg wlc (PyPI) Fixed in 1.17.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-23535
- 2026-10-03 Alias added: GHSA-mmwx-79f6-67jg
References
Patch 3
More WeblateOrg Wlc vulnerabilities
- TI-2026-17861 wlc may leak API keys due to an insecure API key configuration CVSS 3.1MEDIUM 5.5
- TI-2026-17860 wlc can skip SSL verification CVSS 3.1MEDIUM 5.5
- TI-2026-30480 wlc: print_html outputs API data without HTML escaping, enabling stored XSS CVSS 3.1MEDIUM 5.1
Sources
- CVE-2026-23535 · CVE Program
- CVE-2026-23535 · NVD
- FIRST EPSS
- GHSA-mmwx-79f6-67jg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences