{"id":"CVE-2026-23535","aliases":["GHSA-mmwx-79f6-67jg","PYSEC-2026-2053"],"title":"Weblate wlc path traversal vulnerability: Unsanitized API slugs in download command ","summary":"Weblate wlc path traversal vulnerability: Unsanitized API slugs in download command ","severity":"high","cvss":8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","vendor":"wlc","product":"wlc","ecosystem":"pip","affected":["wlc < 1.17.2"],"patched":["wlc 1.17.2"],"published":"2026-01-16","updated":"2026-07-07","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-mmwx-79f6-67jg","references":[{"url":"https://github.com/WeblateOrg/wlc/security/advisories/GHSA-mmwx-79f6-67jg"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23535"},{"url":"https://github.com/WeblateOrg/wlc/pull/1128"},{"url":"https://github.com/WeblateOrg/wlc/commit/216e691c6e50abae97fe2e4e4f21501bf49a585f"},{"url":"https://github.com/WeblateOrg/wlc"},{"url":"https://github.com/WeblateOrg/wlc/releases/tag/1.17.2"}],"tags":["osv","pip"],"epss":0.00393,"epssPercentile":0.33299,"ingestedAt":"2026-07-08T18:25:51.359Z","slug":"CVE-2026-23535","body":"## Overview\n\n### Impact\nMulti-translation download could write to an arbitrary location when instructed by a crafted server.\n\n### Patches\n* https://github.com/WeblateOrg/wlc/pull/1128\n\n### Workarounds\nDo not use `wlc download` with untrusted servers.\n\n### References\nThis issue was reported to us by [wh1zee](https://hackerone.com/wh1zee) via HackerOne.\n\n## Affected packages\n\n- `wlc < 1.17.2`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `wlc 1.17.2`","depth":"twilight","depthScore":44,"depthScoreParts":{"impact":44,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}