SUSE-SU-2026:22053-1: important: Security update for elemental-system-agent

[SLE-SECURITY-UPDATES]

# Security update for elemental-system-agent

Announcement ID: SUSE-SU-2026:22053-1  
Release Date: 2026-06-08T15:13:37Z  
Rating: important  
References:

  * bsc#1260277

  
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 6.2

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for elemental-system-agent fixes the following issue

  * CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper
    validation of the HTTP/2: path pseudo- header (bsc#1260277).

Changes:

  * Update to version 0.3.16:
  * setup for immutable releases (#274)
  * align system-agent image publishing for signed releases (#270)
  * Bumo github.com/docker/cli to v29.2.0 and go.opentelemetry.io/otel to
    v1.43.0
  * run go mod tidy in /test folder
  * Bump google.golang.org/grpc from 1.75.0 to 1.79.3 (bsc#1260277
    CVE-2026-33186)
  * Bump github.com/docker/cli in /test
  * export CATTLE_NODE_NAME if SYSTEM_UPGRADE_NODE_NAME is set
  * use correct prefix for system-agent binary (#273)
  * checksum validation (#271)
  * Add `validate` subcommand for configuration validation (#250)
  * Update CODEOWNERS
  * Pin GH Actions to commit sha
  * chore: bump sles to 15.7
  * Extend remote plan e2e tests
  * Fix agent restart issue and introduce constants
  * chore: bump go to v1.25
  * Setup e2e test infrastructure
  * chores(deps): Bump k8s dependencies
  * Define linter rules
  * Fix CI failures
  * Introduce an extended Makefile
  * Switch workflows to use name makefile
  * Replace dapper with multi stage builds
  * Remove dapper scripts
  * Add multiple improvements for ignore files
  * fix: remove umask command from the system-agent unit-file
  * fix-system-agent-umask
  * [1.34] bumped dependencies for 1.34 support (#242)
  * Bump K8s patch level to 1.33.5 and Go patch level to 1.24.6
  * fix: properly handle traps after unsuccessful SUC job execution
  * fix: do not unconditionally reset failure-counts
  * fix: remove resetFailureCountOnStartup, always reset failure counts on first
    start
  * un-rc wrangler and lasso
  * drop windows 2019 when running PR CI

## 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 6.2  
    zypper in -t patch SUSE-SL-Micro-6.2-906=1

## Package List:

  * SUSE Linux Micro 6.2 (aarch64 x86_64)
    * elemental-system-agent-0.3.16-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-33186.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1260277

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