TI-2026-23705 Aliases CVE-2026-30876

Chamilo LMS: User enumeration vulnerability via response

LOW 27CWE-204Published 2026-03-16 · Updated 2026-03-16

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: Present
Impact type: Information disclosure
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-204.

Summary

Chamilo LMS is a learning management system. Prior to version 1.11.36, Chamilo is vulnerable to user enumeration with valid/invalid username. This issue has been patched in version 1.11.36.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00218 12th percentileScored 2026-11-07

Fix Fixed chamilo-lms (chamilo): 1.11.36

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
chamilo	chamilo-lms	before 1.11.36	1.11.36	Patch available	CNA

chamilo-lms Vendorchamilo Affected before 1.11.36 Fixed in 1.11.36 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:chamilo:chamilo_lms::::::::	before 1.11.36	Vulnerable	chamilo

cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:* Versions before 1.11.36 Vulnerable ·chamilo

Remediation

Fix · CNA chamilo-lms (chamilo) Fixed in 1.11.36

Timeline

2026-10-02 Threatist record created from CVE-2026-30876

References

Advisory 1

https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-cqr8-vvqp-4mp4

Other 1

https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.36

TI-2025-32070 Chamilo: Evaluation of untrusted user input leads to Remote Code Execution CVSS 3.1CRITICAL 9.8
TI-2025-32081 Deserialization of untrusted data in chamilo-lms CVSS 4.0HIGH 8.8
TI-2024-32140 Chamilo: Post-Auth Remote Code Execution CVSS 4.0HIGH 8.7
TI-2023-03907 Chamilo LMS Unauthenticated Big Upload File Remote Code Execution CVSS 3.1HIGH 8.1
TI-2025-32595 Chamilo: Stored XSS Vulnerability via CSV User Import CVSS 3.1HIGH 8.8
TI-2024-20321 Chamilo LMS 1.11.26 is vulnerable to Incorrect Access Control via main/auth/profile. CVSS 3.1HIGH 8.8

See all 121 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences