CVE-2026-26744
FormaLMS User Enumeration Vulnerability
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.
INFO
Published Date :
Feb. 19, 2026, 10:16 p.m.
Last Modified :
Feb. 26, 2026, 2:48 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update FormaLMS to the latest version.
- Implement consistent error messages for username validation.
- Remove the username enumeration vulnerability.
Public PoC/Exploit Available at Github
CVE-2026-26744 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-26744.
| URL | Resource |
|---|---|
| https://github.com/formalms/formalms.git | Product |
| https://github.com/lorenzobruno7/CVE-2026-26744 | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-26744 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-26744
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
CVE-2026-26744
📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.
security cve exploit poc vulnerability
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-26744 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-26744 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Feb. 26, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:formalms:formalms:*:*:*:*:*:*:*:* versions up to (including) 4.1.18 Added Reference Type MITRE: https://github.com/formalms/formalms.git Types: Product Added Reference Type MITRE: https://github.com/lorenzobruno7/CVE-2026-26744 Types: Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Feb. 24, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Added CWE CWE-204 -
New CVE Received by [email protected]
Feb. 19, 2026
Action Type Old Value New Value Added 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. Added Reference https://github.com/formalms/formalms.git Added Reference https://github.com/lorenzobruno7/CVE-2026-26744