CVE-2026-26744
User Enumeration in FormaLMS 4.1.18 Password Recovery Function
Publication date: 2026-02-19
Last updated on: 2026-02-26
Assigner: MITRE
Description
Description
CVSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| formalms | formalms | to 4.1.18 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-204 | The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a user enumeration issue in FormaLMS version 4.1.18 and earlier. It occurs in the password recovery feature accessed via the /lostpwd endpoint. The application responds with different error messages depending on whether a username is valid or invalid. This difference allows an attacker who is not logged in to identify which usernames exist in the system by observing the response variations.
How can this vulnerability impact me? :
The vulnerability allows an unauthenticated attacker to discover valid usernames registered in the system. This information can be used to facilitate further attacks such as targeted phishing, brute force password attempts, or social engineering attacks, potentially compromising user accounts and system security.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know