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  4. CVE 2026 121546 rutorrent before 5320 path traversal via datadir
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Back to active CVEs
Medium · CVSS 6.0CVE-2026-121546

ruTorrent before 5.3.20 Path Traversal via datadir Plugin Symlink FollowingCVE-2026-121546

Answer in brief

CVE-2026-121546 records a Medium severity (CVSS 6.0) vulnerability in ruTorrent before 5.3.20 Path Traversal via datadir Plugin Symlink Following. The current sources do not mark it as known exploited. The current feed maps Novik/ruTorrent (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 3, 2026Updated Nov 3, 2026Source checked Nov 3, 2026First seen by HOL Nov 3, 2026Material review Nov 3, 2026
Upstream Advisory

Record context

Vulnerability class
Path Traversal
EPSS
Not reported
CWE IDs
CWE-59
Source
CVE List V5
Source checked
Nov 3, 2026
References
6 linked sources
Open source record

Key facts

Risk
Medium · CVSS 6.0
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 6.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Novik/ruTorrent (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Novik/ruTorrentgeneric>=0 <5.3.205.3.20

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Novik/ruTorrent.
  2. 2Review the reported fix. Update Novik/ruTorrent to 5.3.20 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 3, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Docker Sandboxes sbx cp follows workspace symlinks outside the authorized host directoryAlso CWE-59
  • mongofiles may write outside the working directory through a symlinkAlso CWE-59
  • nnn through 5.3 Symlink-Following Write via NNN_FIFO HandlingAlso CWE-59