Home/CVE/Chamilo is a learning management system. Prior to version 1.11.30, in the application, deserialization of data is perfor
CVE

CVE-2025-52998

Chamilo is a learning management system. Prior to version 1.11.30, in the application, deserialization of data is perfor

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.

CRITICAL · CVSS 9.8 EPSS 0.00231
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-502Deserialization of Untrusted Data
▤

Affected Products & Versions

1
chamilo lms< 1.11.30
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Mar 2026 · 04:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/chamilo/chamilo-lms/commit/ba7e15d8cfefcd451de939e98d461b17e72eb627Patch
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30ProductRelease Notes
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-6mwg-2mw5-rx5vPatchVendor Advisory
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