ESB-2026.3410
PUBLISHED
CVSS 8.100000381469727 HIGH
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AUSCERT External Security Bulletin Redistribution
ESB-2026.3410
Security update for ignition
9 April 2026
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AUSCERT Security Bulletin Summary
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Product: ignition
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2026-33186
Original Bulletin:
https://www.suse.com/support/update/announcement/2026/suse-su-20261208-1
Comment: CVSS (Max): 8.1 CVE-2026-33186 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS (Max): 0.0% (2nd) CVE-2026-33186 2026-04-08
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Security update for ignition
Announcement ID: SUSE-SU-2026:1208-1
Release Date: 2026-04-08T07:12:24Z
Rating: important
References: o bsc#1260251
Cross-References: o CVE-2026-33186
o 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
o CVE-2026-33186 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N
CVSS scores: /S:U/C:H/I:H/A:N
o 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 o SUSE Linux Enterprise Micro 5.4
Products: o SUSE Linux Enterprise Micro for Rancher 5.4
An update that solves one vulnerability can now be installed.
Description:
This update for ignition fixes the following issue:
o 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:
o SUSE Linux Enterprise Micro for Rancher 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2026-1208=1
o SUSE Linux Enterprise Micro 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2026-1208=1
Package List:
o SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
ignition-debuginfo-2.15.0-150400.4.14.1
ignition-dracut-grub2-2.15.0-150400.4.14.1
ignition-2.15.0-150400.4.14.1
o SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
ignition-debuginfo-2.15.0-150400.4.14.1
ignition-dracut-grub2-2.15.0-150400.4.14.1
ignition-2.15.0-150400.4.14.1
References:
o https://www.suse.com/security/cve/CVE-2026-33186.html
o https://bugzilla.suse.com/show_bug.cgi?id=1260251
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