CVE-2026-114388CWE-862broken-access-control

CVE-2026-114388

Medium · published October 21, 2026

CVSS v3.1

5.3

EPSS

Percentile

5.6

In the wild

Unconfirmed

What it is

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.

The record

Technical detail

CVSS v3.1: 5.3 · MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0: 6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS: 0.00167 · 5.6th percentile
Weakness: CWE-862 · Missing Authorization
Published: 2026-10-21T17:18Z

References (5)

https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/src/CoreBundle/Controller/GradebookController.php#L52-L78 · [email protected]https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a · [email protected]https://github.com/chamilo/chamilo-lms/issues/7671 · [email protected]https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3 · [email protected]https://www.vulncheck.com/advisories/chamilo-lms-2.0.0-alpha.1-before-2.0.0-rc.3-missing-authorization-via-gradebookcontroller · [email protected]

EPSS history

Timeline

23 OCT 03:55Z
EPSS moved — → 0%
epss
21 OCT 12:39Z
Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization via GradebookController
cvelistv5
21 OCT 12:39Z
Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization via GradebookController
cvelistv5