CVE-2026-121546

5.9 MEDIUMpublic exploit available

Published 2026-11-03 · Updated 2026-11-03

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

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 vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L

Weaknesses

CWE-59

Public exploit & PoC references

https://github.com/Novik/ruTorrent
https://github.com/Novik/ruTorrent/blob/v5.3.19/php/settings.php#L526-L541
https://github.com/Novik/ruTorrent/blob/v5.3.19/plugins/datadir/action.php#L60
https://github.com/Novik/ruTorrent/commit/2059ff12464b2ce14fd0f53df8d6b19fb6b8a5eb
https://github.com/Novik/ruTorrent/issues/3474

All references

https://github.com/Novik/ruTorrent
https://github.com/Novik/ruTorrent/blob/v5.3.19/php/settings.php#L526-L541
https://github.com/Novik/ruTorrent/blob/v5.3.19/plugins/datadir/action.php#L60
https://github.com/Novik/ruTorrent/commit/2059ff12464b2ce14fd0f53df8d6b19fb6b8a5eb
https://github.com/Novik/ruTorrent/issues/3474
https://www.vulncheck.com/advisories/rutorrent-before-5.3.20-path-traversal-via-datadir-plugin-symlink-following

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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