Vulnerability · Published Oct 21, 2026 · Assigned by VulnCheck
CVE-2026-114388Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization via GradebookController
Medium 5.3
In plain English
A medium-severity missing authorization in chamilo-lms from chamilo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 94.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| chamilo | chamilo-lms | 2.0.0-alpha.1 – before 2.0.0-RC.3 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
References
- https://github.com/chamilo/chamilo-lms/issues/7671 issue-tracking
- https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a patch
- chamilo-lms v2.0.0-RC.3 Release Notes release-notes
- https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/src/CoreBundle/Controller/GradebookController.php#L52-L78 technical-description
- VulnCheck Advisory: Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization via GradebookController third-party-advisory