SQL injection in Chamilo LMS - CVE-2026-62983
Published: August 4, 2026
Vulnerability identifier: #VU140890
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-62983
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary SQL commands.
The vulnerability exists due to improper neutralization of special elements used in an SQL command in ExtraField::get_where_clause() when processing a JSON filters blob containing array values for extra field rules. A remote privileged user can send a specially crafted filters array to execute arbitrary SQL commands.
The issue is specific to the array-handling branch, while the scalar branch is handled safely.
Affected software
Chamilo LMS
How to mitigate CVE-2026-62983
Install security update from vendor's website.
Chamilo LMS - addressed in versions 1.11.42, 2.0.3