Critical

TorrentPier Deserialization of Untrusted Data vulnerability

  • Disclosed: 15.07.2024
  • Updated: 11.10.2026 10:22

Summary

In torrentpier/library/includes/functions.php, get_tracks() uses the unsafe native PHP serialization format to deserialize user-controlled cookies:

https://github.com/torrentpier/torrentpier/blob/84f6c9f4a081d9ffff4c233098758280304bf50f/library/includes/functions.php#L41-L60

PoC

One can use phpggc and the chain Guzzle/FW1 to write PHP code to an arbitrary file, and execute commands on the system. For instance, the cookie bb_t will be deserialized when browsing to viewforum.php.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package torrentpier/torrentpier < 2.4.4 2.4.4

References

CVSS score 9.8/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-502
Platform
Composer
Package
torrentpier/torrentpier
Disclosed
15.07.2024
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-fg86-4c2r-7wxw - CC BY 4.0

Vulnerability history: torrentpier/torrentpier

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
4
First → latest
02.2024 05.2026
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • Critical 3
  • High 1

Disclosures per year

  1. 2024: 2
  2. 2025: 1
  3. 2026: 1
  1. Critical ghsa-h29g-c9cx-c73q < 2.4.4 2.4.4
  2. TorrentPier Deserialization of Untrusted Data vulnerability this entry
    Critical · 9.8 CVE-2024-40624 < 2.4.4 2.4.4
  3. Critical · 10.0 CVE-2024-1651 <= 2.4.1 no fix

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application
DockRay newsletter

Application security in your inbox

Important vulnerabilities, actionable guidance and practical advice for your applications. Choose your technologies and follow what matters to your project.

  • A daily digest of new vulnerabilities, critical ones included.
  • Notifications about important updates.
  • Practical advice on application security and monitoring.

Leave empty to receive updates for every technology.

Free to subscribe. Unsubscribe with one click in any email.