SUSE-SU-2026:21128-1: important: Security update for ignition

[SLE-UPDATES]

# Security update for ignition

Announcement ID: SUSE-SU-2026:21128-1  
Release Date: 2026-04-14T08:01:42Z  
Rating: important  
References:

  * bsc#1260251

  
Cross-References:

  * CVE-2026-33186

  
CVSS scores:

  * CVE-2026-33186 ( SUSE ):  8.6
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-33186 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  * CVE-2026-33186 ( NVD ):  9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for ignition fixes the following issue:

  * CVE-2026-33186: Fixed an authorization bypass due to improper validation of
    the HTTP/2: path pseudo-header (bsc#1260251).

## 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 Micro 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-668=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * ignition-debuginfo-2.19.0-3.1
    * ignition-2.19.0-3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-33186.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1260251

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