CVE-2026-121546
mediumruTorrent before 5.3.20 contains a path traversal vulnerability in the datadir plugin that allows authenticated users to escape the topDirectory jail because c…
ruTorrent before 5.3.20 contains a path traversal vulnerability in the datadir plugin that allows authenticated users to escape the topDirectory jail because correctDirectory() does not resolve symbolic links. Attackers can submit a datadir path through a symlink under their top directory to create directories and move torrent data to locations writable by the web server or rtorrent.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/Novik/ruTorrent disclosure@vulncheck.com
- https://github.com/Novik/ruTorrent/blob/v5.3.19/php/settings.php#L526-L541 disclosure@vulncheck.com
- https://github.com/Novik/ruTorrent/blob/v5.3.19/plugins/datadir/action.php#L60 disclosure@vulncheck.com
- https://github.com/Novik/ruTorrent/commit/2059ff12464b2ce14fd0f53df8d6b19fb6b8a5eb disclosure@vulncheck.com
- https://github.com/Novik/ruTorrent/issues/3474 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/rutorrent-before-5.3.20-path-traversal-via-datadir-pl... disclosure@vulncheck.com