CVE-2026-104048
MEDIUMCVSS 6.8Description
A flaw was found in SSSD. In trust-enabled identity management environments, SSSD evaluates Host-Based Access Control (HBAC) rules by stripping domain qualifiers and comparing only short usernames. An authenticated user in a trusted domain who shares the same username as an authorized local account can bypass access policies and gain unauthorized access to protected services or hosts.
Timeline
Published:October 6th, 2026 8:17 PM
Last modified:November 5th, 2026 4:17 PM
CVSS Scoring
CVSS v3: 6.8 (MEDIUM)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Affected Software
From NVD CPE configuration data
Vendors
fedoraprojectredhat
Products
sssdopenshift_container_platformenterprise_linux
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
Source: NIST NVD · Data may lag official sources by up to one minute