CVE-2026-26744 Information disclosure in n/a

Medium 5.3 Published 19 Feb 2026 Updated 24 Feb 2026

Unauthenticated attackers can enumerate valid usernames in FormaLMS via inconsistent error messages in the password recovery endpoint.

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-2026-26744?

CVE-2026-26744 is a medium-severity vulnerability in n/a, published on 19 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A user enumeration vulnerability exists in FormaLMS 4.1.18 and below in the password recovery functionality accessible via the /lostpwd endpoint. The application returns different error messages for valid and invalid usernames allowing an unauthenticated attacker to determine which usernames are registered in the system through observable response discrepancy.

Weakness: CWE-204

Which versions are affected by CVE-2026-26744?

It affects 1 product.

Products include Formalms Formalms.

How do I fix CVE-2026-26744?

No fix has been published for CVE-2026-26744 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-26744 being exploited?

There is no known exploitation of CVE-2026-26744 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-742g-xjv2-hvh9.