CVE-2026-108839 — 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 fol…
Published: 2026-10-11 · CVSS: 2.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7