SUSE 2026 Ignition Critical Authorization Bypass CVE-2026-33186 Issues
suse
April 7, 2026
An update that solves one vulnerability can now be installed.
Summary
## This update for ignition 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#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 Enterprise Micro 5.2 zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1198=1 * SUSE Linux Enterprise Micro for Rancher 5.2 zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1198=1 ## Package List: * SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64) * ignition-2.14.0-150300.6.19.1 * ignition-dracut-grub2-2.14.0-150300.6.19.1 * ignition-debuginfo-2.14.0-150300.6.19.1
Topics Covered
References
* bsc#1260251
Cross-
* 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 Enterprise Micro 5.2
* SUSE Linux Enterprise Micro for Rancher 5.2
An update that solves one vulnerability can now be installed.
##
* https://www.suse.com/security/cve/CVE-2026-33186.html
* https://bugzilla.suse.com/show_bug.cgi?id=1260251
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2026:1198-1
Release Date: 2026-04-07T10:25:22Z
Rating: important
Topics Covered
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