CVE-2026-104048EPSS p18.5%

CVE-2026-104048CVE-2026-104048

fedoraproject / sssd

Description

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.

Scoring

CVSS 6.8 ()
VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS0.28% probability of exploitation · percentile 18.5% · 2026-10-10T12:00:23Z
Last modified2026-10-09
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.