Medium severity · published Oct 21, 2026
CVE-2026-114388
Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization via GradebookController
New
5.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
chamilo-lms · chamilo
2.0.0-alpha.1 before 2.0.0-RC.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-114388
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-114388
github.com
https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/src/CoreBundle/Controller/GradebookController.php#L52-L78
github.com
https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a
github.com
https://github.com/chamilo/chamilo-lms/issues/7671
github.com
https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3
www.vulncheck.com
https://www.vulncheck.com/advisories/chamilo-lms-2.0.0-alpha.1-before-2.0.0-rc.3-missing-authorization-via-gradebookcontroller
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