Deserialization in Chamilo Chamilo-lms
CVE-2025-52998
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 prope…
Vulnerability class: Insecure Deserialization
EPSS: 0.004 (28.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Chamilo Chamilo-lms — versions < 1.11.30
- Chamilo Chamilo_lms
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2025-52998?
- CVE-2025-52998 is a critical-severity vulnerability in Chamilo Chamilo-lms, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-03-02.
- How severe is CVE-2025-52998?
- Critical severity. CVSS v3 base score is 9.8 out of 10.