thClaws vulnerabilities

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Published CVEs affecting thClaws products: 1 record(s), with severity, exploitation and fixes.

Exploited only (KEV) →

CVE-2026-108839 Medium · 4.2 CWE-59 Oct 11, 2026

thClaws through 0.141.0 Symlink Following File Write via POST /v1/inputs

thClaws through 0.141.0 contains a link-following vulnerability in the post_inputs handler of the v1 API POST /v1/inputs endpoint that allows writes outside the workspace by following symlinks. Attackers who plant a symlink under the allowed inputs/ prefix can cause later authenticated uploads to write or truncate files outside the workspace with daemon privileges.