CVE-2026-61503

MEDIUM

Rejetto HFS < 3.2.1 Username Enumeration via Login Response Differences

Title source: cna
STIX 2.1

Description

Rejetto HFS 3.0.0 through 3.2.0 returns observably different responses from its login endpoint depending on whether the submitted username exists. A remote unauthenticated attacker can use this to confirm valid account names, including the default admin account, facilitating password-guessing and session-forgery attacks.

References (2)

Core 2
Core References
Patch release-notes patch
Release Notes
https://github.com/rejetto/hfs/releases/tag/v3.2.1

Scores

CVSS v3 5.3
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-204
Status published
Products (1)
rejetto/hfs 3.0.0 - 3.2.1
Published Jul 13, 2026
Tracked Since Jul 13, 2026