Improper privilege management in Chamilo LMS - CVE-2026-61786
Published: August 4, 2026
Vulnerability identifier: #VU140899
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-61786
CWE-ID: CWE-269
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges.
The vulnerability exists due to improper privilege management in the switch_user feature when processing a crafted impersonation request. A remote attacker can send a specially crafted request to escalate privileges.
The issue allows impersonation of any account, including a global administrator, because no restriction is enforced on the target user's privilege.
Affected software
Chamilo LMS
How to mitigate CVE-2026-61786
Install security update from vendor's website.
Chamilo LMS - update to 2.0.3