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.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
chamilo chamilo-lms affected
Version Status Constraints
< 1.11.30 affected —

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/chamilo/chamilo-lms/commit/ba7e15d8cfefcd451de939e98d461b17e72eb627 cve-icon cve-icon
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30 cve-icon cve-icon
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-6mwg-2mw5-rx5v cve-icon cve-icon
History

Mon, 02 Mar 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 02 Mar 2026 16:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Chamilo: PHAR deserialization bypass
Weaknesses CWE-502
References
Metrics cvssV4_0

{'score': 7, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-02T16:22:23.957Z

Reserved: 2025-06-24T03:50:36.794Z

Link: CVE-2025-52998

cve-icon Vulnrichment

Updated: 2026-03-02T16:22:15.510Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-03-02T16:16:23.313

Modified: 2026-03-02T20:29:29.330

Link: CVE-2025-52998

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses