CVE-2026-104033CWE-193

CVE-2026-104033

Medium · published October 6, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
8.5
In the wild
Unconfirmed
What it is

A flaw was found in SSSD. When configured to enforce account expiration using LDAP (Lightweight Directory Access Protocol) shadow attributes, SSSD fails to treat an expiration value of zero as an expired account. A user with valid credentials for an expired account can exploit this flaw to bypass access controls and authenticate to the system. This allows unauthorized access to persist after the account was intended to be deactivated.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00193 · 8.5th percentile
Weakness
CWE-193 · Off-by-one Error
Published
2026-10-06T05:16Z
References (3)
https://access.redhat.com/security/cve/CVE-2026-104033 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2479271 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2479271 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 08 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 06 OCT 00:12Z
    Sssd: sssd: access control bypass via improper ldap shadow expiration check
    cvelistv5
  • 06 OCT 00:12Z
    Sssd: sssd: access control bypass via improper ldap shadow expiration check
    cvelistv5