CVE-2026-1106 Chamilo LMS Legal Consent SocialController.php deleteLegal improper authorization

Medium 5.3 Published Updated

Attackers can bypass authorization in Chamilo LMS to delete legal consent records by manipulating the userId parameter.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-1106?

CVE-2026-1106 is a medium-severity missing authorization vulnerability in Chamilo Chamilo Lms, published on 18 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A security flaw has been discovered in Chamilo LMS up to 2.0.0 Beta 1. This issue affects the function deleteLegal of the file src/CoreBundle/Controller/SocialController.php of the component Legal Consent Handler. Performing a manipulation of the argument userId results in improper authorization. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-285, CWE-266

Which versions are affected by CVE-2026-1106?

It affects 1 product.

Products include Chamilo Chamilo Lms.

How do I fix CVE-2026-1106?

No fix has been published for CVE-2026-1106 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-1106 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1106 exists.

All Chamilo Chamilo Lms vulnerabilities

Sources

Also known as GHSA-89mf-fg66-q647.

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