SQL Injection in Chamilo Chamilo-Lms
CVE-2026-28430
Chamilo LMS is a learning management system. Prior to version 1.11.34, there is an unauthenticated SQL injection vulnerability which allows remote attackers to execute arbitrary SQL commands via the custom_dates parameter. By chaining this with a predictable legacy password reset mechanism, an attacker can achieve full administrative account takeover without any prior credentials. The vulnerability also exposes the entire database, including PII and system configurations. This issue has been patched in version 1.11.34.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.003
Affected products
- Chamilo Chamilo-Lms — versions < 1.11.34
- Chamilo Lms
Weakness classification (CWE)
References
- github.com/chamilo/chamilo-lms/security/advisories/GHSA-84gw-qjw9-v8jv (Vendor Advisory)
- github.com/chamilo/chamilo-lms/releases/tag/v1.11.34 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-28430?
- CVE-2026-28430 is a critical-severity vulnerability in Chamilo Chamilo-Lms, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-03-16.
- How severe is CVE-2026-28430?
- Critical severity. CVSS v3 base score is 9.8 out of 10.