CVE-2026-111943: ignition security update
Affects ignitionSource GCVE Database
Not known to be exploited · CVSS 6.8 Medium : upgrade to 2.26.0-3.el10_2.4 when convenient.
Data as of 30 Oct 2026, 14:23 UTC
Thin evidence
One scorer or none| CISA-ADP | CVSS 3.1 | 6.8 |
|---|
- Patch
- Available – fixed in 2.26.0-3.el10_2.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 21 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade the AlmaLinux to 2.26.0-3.el10_2.4.
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AlmaLinux 10ignition | Affected
| Fixed in
|
| AlmaLinux 10ignition-edge | Affected
| Fixed in
|
| AlmaLinux 10ignition-grub | Affected
| Fixed in
|
| AlmaLinux 10ignition-validate | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A security update fixing this vulnerability is available in Ignition version 2.26.0-3.el10_2.4. Users should apply this update as provided by Red Hat. Refer to the Red Hat advisory (RHSA-2026:91720) and the update instructions at https://access.redhat.com/articles/11258 for detailed remediation guidance.
Description
Ignition is a utility used during system initialization to configure disks, files, and users based on a configuration source. A security vulnerability (CVE-2026-111943) in the golang crypto/x509 package allows man-in-the-middle attacks via untrusted intermediate certificates. This vulnerability affects Ignition versions prior to 2.26.0-3.el10_2.4. A security update fixing this issue is available from Red Hat.