PT-2026-56932 · Undefined · Undefined

Published 2026-07-09 · Updated 2026-07-09 · CVE-2026-51926

NVD

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Fix

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2026-51926

Affected Products

Undefined

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-51926 · Security Note
• https://docuform.de · Note
• https://gist.github.com/ZeroBreach-GmbH · Note