Deserialization Vulnerability in Chamilo Learning Management System
CVE-2025-52998

7HIGH

Key Information:

Vendor

Chamilo

Status
Chamilo-lms
Vendor
CVE Published:
2 March 2026

What is CVE-2025-52998?

Chamilo, a widely used learning management system, is susceptible to a deserialization vulnerability that allows attackers to spoof data. This flaw enables the creation of objects from arbitrary classes, giving attackers full control over these objects' properties. As a result, malicious users can alter the logic of the web application's functionality, potentially leading to unauthorized access or data manipulation. The issue has been rectified in version 1.11.30.

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Affected Version(s)

chamilo-lms < 1.11.30

References

https://github.com/chamilo/chamilo-lms/security/advisorie...
x_refsource_CONFIRM
https://github.com/chamilo/chamilo-lms/commit/ba7e15d8cfe...
x_refsource_MISC
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30
x_refsource_MISC

CVSS V4

Score:
7
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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