CVE-2026-28430 Chamilo LMS Vulnerable to Unauthenticated SQL Injection in chamiko-lms model.ajax.php
Unauthenticated SQL injection in Chamilo LMS allows attackers to read the database and take over admin accounts via password reset chaining.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-28430?
CVE-2026-28430 is a critical SQL injection vulnerability in Chamilo Chamilo Lms, published on 16 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-89
Which versions are affected by CVE-2026-28430?
It affects 1 product.
Products include Chamilo Chamilo Lms.
How do I fix CVE-2026-28430?
No fix has been published for CVE-2026-28430 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-28430 being exploited?
There is no known exploitation of CVE-2026-28430 in the wild and no public exploit code.
Other vulnerabilities in Chamilo Chamilo Lms
Sources
Also known as GHSA-84gw-qjw9-v8jv.