CVE-2025-52998 HIGH

CVE-2025-52998: Chamilo: PHAR deserialization bypass

Vendor Chamilo
Product chamilo-lms
Weakness CWE-502 · Unsafe deserialization
Published March 2, 2026
Last update March 2, 2026

CVSS base score

7.0/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Chamilo is a learning management system. Prior to version 1.11.30, in the application, deserialization of data is performed, the data can be spoofed. An attacker can create objects of arbitrary classes, as well as fully control their properties, and thus modify the logic of the web application's operation. This issue has been patched in version 1.11.30.

Key dates

02Disclosure timeline

March 2, 2026 CVE published
March 2, 2026 Record updated