How severe is CVE-2026-30876?

CVE-2026-30876 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-30876 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30876?

CVE-2026-30876 affects Chamilo Chamilo Lms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30876?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-30876 have an EU (EUVD) identifier?

Yes. CVE-2026-30876 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12498.

When was CVE-2026-30876 published?

CVE-2026-30876 was published on 2026-03-16 and last updated on 2026-06-17.

CVE-2026-30876

CVE-2026-30876 is a medium-severity vulnerability in Chamilo Chamilo Lms with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-204.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.3
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-12498
Weakness: CWE-204
Affected product: Chamilo Chamilo Lms
Published: 2026-03-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-30876?: 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.
How severe is CVE-2026-30876?: CVE-2026-30876 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-30876 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30876?: CVE-2026-30876 affects Chamilo Chamilo Lms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30876?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-30876 have an EU (EUVD) identifier?: Yes. CVE-2026-30876 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12498.
When was CVE-2026-30876 published?: CVE-2026-30876 was published on 2026-03-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*

More vulnerabilities in Chamilo Chamilo Lms

CVE-2026-33698 — Critical (CVSS 9.8): Chamilo LMS is a learning management system. Prior to 1.11.38, a chained attack can enable otherwise-blocked PHP code…
CVE-2026-28430 — Critical (CVSS 9.8): Chamilo LMS is a learning management system. Prior to version 1.11.34, there is an unauthenticated SQL injection…
CVE-2025-52998 — Critical (CVSS 9.8): Chamilo is a learning management system. Prior to version 1.11.30, in the application, deserialization of data is…
CVE-2025-50192 — Critical (CVSS 9.8): Chamilo is a learning management system. Prior to version 1.11.30, there is a time-based SQL Injection in found in…
CVE-2025-50190 — Critical (CVSS 9.8): Chamilo is a learning management system. Prior to version 1.11.30, there is an error-based SQL Injection via the GET…
CVE-2025-50187 — Critical (CVSS 9.8): Chamilo is a learning management system. Prior to version 1.11.28, parameter from SOAP request is evaluated without…

All CVEs affecting Chamilo Chamilo Lms →

Other CWE-204 vulnerabilities

CVE-2018-25350 — Critical (CVSS 9.8): userSpice 4.3.24 contains a username enumeration vulnerability that allows unauthenticated attackers to discover valid…
CVE-2025-5485 — High (CVSS 8.6): User names used to access the web management interface are limited to the device identifier, which is a numerical…
CVE-2026-33419 — High (CVSS 7.5): MinIO is a high-performance object storage system. Prior to RELEASE.2026-03-17T21-25-16Z, MinIO AIStor's STS (Security…
CVE-2025-12455 — High (CVSS 7.5): Observable response discrepancy vulnerability in OpenText™ Vertica allows Password Brute Forcing. The…
CVE-2025-46390 — High (CVSS 7.5): CWE-204: Observable Response Discrepancy
CVE-2025-3092 — High (CVSS 7.5): An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.

Browse all CWE-204 vulnerabilities →