CVE-2026-114388

Medium

Description

Chamilo LMS 2.0.0 pre-releases from 2.0.0-alpha.1 before 2.0.0-RC.3 contain a missing access control vulnerability in GradebookController that allows unauthenticated users to modify gradebook certificates. Attackers can request the set_default_certificate endpoint with any course id and document id to tamper with certificate configuration for any course.

SeverityMedium

CVSS5.3

Exploit probability—

Product

Chamilo-lms

PublishedOct 21, 2026

First seenOct 21, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

chamilo chamilo-lms2.0.0-RC.3 or later

Patches

github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a

Vendor advisories

github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3

Affected products

Product	Affected versions	Fixed in
chamilo chamilo-lms	2.0.0-alpha.1 ≤ v < 2.0.0-RC.3	2.0.0-RC.3

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