CVE-2026-51926 Information disclosure in n/a
Remote attackers can enumerate valid usernames via login response variations, facilitating further attacks like brute-force or credential stuffing.
- 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-2026-51926?
CVE-2026-51926 is a high-severity vulnerability in n/a, published on 9 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue in docuForm GmbH FSM Client v.11.11c allows a remote attacker to obtain sensitive information via the login.php component. A vulnerability was identified in the authentication mechanism that allows user enumeration through the login interface. An attacker can differentiate between valid and invalid usernames based on variations in server responses. This information can be leveraged to identify existing accounts and facilitate further attacks, including brute-force or credential stuffing.
Weakness: CWE-203
Which versions are affected by CVE-2026-51926?
How do I fix CVE-2026-51926?
No fix has been published for CVE-2026-51926 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-51926 being exploited?
There is no known exploitation of CVE-2026-51926 in the wild and no public exploit code.
Sources
Also known as GHSA-58wf-97f5-pjqp.