CVE-2026-23535 json
wlc Path traversal: Unsanitized API slugs in download command
published 2026-01-16 9 mo ago modified 2026-07-07 4 mo ago also EUVD-2026-2864 , GHSA-mmwx-79f6-67jg , PYSEC-2026-2053
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 33%
- public exploits
- 0
- none known
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.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 9 mo ago
Exploit prediction
0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H |
| GitHub | 3.1 | 8.0 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H |
| OSV | 3.1 | 8.0 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | wlc | <1.17.2 |
1.17.2 |
Affected products
- WeblateOrg wlc
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/WeblateOrg/wlc/pull/1128
web, issue-tracking, patch
-
github.com
/WeblateOrg/wlc/commit/216e691c6e50abae97fe2e4e4f21501bf49a585f
web, patch
-
github.com
/WeblateOrg/wlc/security/advisories/GHSA-mmwx-79f6-67jg
web, mitigation, patch, vendor-advisory
-
github.com
/WeblateOrg/wlc/releases/tag/1.17.2
web, product, release-notes
-
nvd.nist.gov
/vuln/detail/CVE-2026-23535
advisory
-
github.com
/WeblateOrg/wlc
package
-
pypi.org
/project/wlc
package
-
github.com
/advisories/GHSA-mmwx-79f6-67jg
advisory
Sources
- CVE List CVE-2026-23535
- GitHub Advisory GHSA-mmwx-79f6-67jg
- NVD CVE-2026-23535
- OSV PYSEC-2026-2053
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.