CVE-2026-45145: Chamilo LMS unsafe deserialization in career data

CVE-2026-45145 · Severity: high · CVSS 7.5 · Published 2026-10-30

Chamilo LMS, a learning management system used by educational institutions to deliver courses online, contains a critical flaw in how it processes saved career data from the database. An attacker who can inject malicious serialized objects into the database—through SQL injection, a compromised admin import, or lower-level admin privileges—can execute arbitrary commands on the server with the privileges of the web server user, potentially compromising the entire system and its user data.

Technologies: Chamilo Lms. Vendors: Chamilo.

Quick answers

Is CVE-2026-45145 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-45145 being exploited in the wild.
How severe is CVE-2026-45145?
High severity, with a CVSS score of 7.5, published 30 October 2026.
Which products and versions are affected?
Chamilo Lms prior to 2.0.1.
Is there a fix for CVE-2026-45145?
Yes: fixed in 2.0.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-45145 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-45145?
Check whether you run Chamilo Lms at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 2.0.1

Technical details

The vulnerability stems from unsafe use of PHP's unserialize() function on user_career.extra_data column without the allowed_classes: false safety option in career.lib.php and import_csv.php. An attacker with database write access can craft serialized PHP objects that trigger POP (Property-Oriented Programming) gadget chains in autoloaded Symfony, Doctrine, or Monolog components to achieve remote code execution as the web server user.

Affected products

  • Chamilo Chamilo LMS prior to 2.0.1

Timeline

  • 2026-10-30: disclosed
  • 2026-05-08: patched: v2.0.1 released

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.