CVE-2026-121546

ruTorrent before 5.3.20 Path Traversal via datadir Plugin Symlink Following

Published Nov 3, 2026 CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Novik
Novik rutorrent
Vendors & Products Novik
Novik rutorrent
Type Values Removed Values Added
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.
Title ruTorrent before 5.3.20 Path Traversal via datadir Plugin Symlink Following
Weaknesses CWE-59
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L'}

cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 9, 2026, 3:08 PM
Reserved
Nov 3, 2026, 2:46 PM
Status
Deferred
Published
Nov 3, 2026, 4:17 PM
Modified
Nov 9, 2026, 3:17 PM