SUSE-SU-2026:3895-1: important: Security update for yast2-auth-client

[SLE-SECURITY-UPDATES]

# Security update for yast2-auth-client

Announcement ID: SUSE-SU-2026:3895-1  
Release Date: 2026-08-31T14:58:08Z  
Rating: important  
References:

  * bsc#1272775
  * bsc#1274612
  * bsc#1274806

  
Cross-References:

  * CVE-2026-59681

  
CVSS scores:

  * CVE-2026-59681 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

  
Affected Products:

  * openSUSE Leap 15.5
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves one vulnerability and has two security fixes can now be
installed.

## Description:

This update for yast2-auth-client fixes the following issue:

Update to version 4.5.5.

  * CVE-2026-59681: OS command injection via unsanitized Organizational
    Unit/dnsHostName in AD join (AutoYaST-reachable) (bsc#1272775).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-3895=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-3895=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-3895=1

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2026-3895=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-3895=1

## Package List:

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
    * yast2-auth-client-4.5.5-150500.3.9.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
    * yast2-auth-client-4.5.5-150500.3.9.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
    * yast2-auth-client-4.5.5-150500.3.9.1
  * openSUSE Leap 15.5 (noarch)
    * yast2-auth-client-4.5.5-150500.3.9.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
    * yast2-auth-client-4.5.5-150500.3.9.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-59681.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1272775
  * https://bugzilla.suse.com/show_bug.cgi?id=1274612
  * https://bugzilla.suse.com/show_bug.cgi?id=1274806

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