Sssd Security Update — AlmaLinux 8 (ALSA-2026:46990)

The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name Service Switch (NSS) and the Pluggable Authentication Modules (PAM) interfaces toward the system, and a pluggable back-end system to connect to …

The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name Service Switch (NSS) and the Pluggable Authentication Modules (PAM) interfaces toward the system, and a pluggable back-end system to connect to multiple different account sources.  

Security Fix(es):  

  * sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling privilege escalation (CVE-2026-14474)
  * sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication bypass (CVE-2026-14476)

Bug Fix(es) and Enhancement(s):  

  * sss_override does not work on AD UPN [almalinux-8.10.z] (JIRA:AlmaLinux-168363)
  * [Addition] Crash in 'sss_client/autofs/sss_autofs.c' [almalinux-8.10.z] (JIRA:AlmaLinux-168415)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.