Medium severity · published Mar 16, 2026
CVE-2026-30876
Chamilo LMS: User enumeration vulnerability via response
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
Chamilo LMS is a learning management system. Prior to version 1.11.36, Chamilo is vulnerable to user enumeration with valid/invalid username. This issue has been patched in version 1.11.36.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
chamilo-lms · chamilo
< 1.11.36 · source: vendor
CL
Chamilo Lms · Chamilo
before 1.11.36 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-30876
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-30876
Product
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.36
Vendor Advisory
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-cqr8-vvqp-4mp4
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