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VulnerabilityPublished Updated

CVE-2026-111943: ignition security update

Affects ignitionSource GCVE Database

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Authoritative record:CVE-2026-111943· Medium

Not known to be exploited : upgrade to 2.26.0-1.el9_8.2 when convenient.

Data as of 29 Oct 2026, 19:04 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD

EPSS
0.2% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.26.0-1.el9_8.2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 29 Oct 2026.

What to do

Upgrade the AlmaLinux to 2.26.0-1.el9_8.2.

Affected software

ProductAffectedFixed in
AlmaLinux 9ignitionAffected
  • <2.26.0-1.el9_8.2
Fixed in
  • 2.26.0-1.el9_8.2
AlmaLinux 9ignition-edgeAffected
  • <2.26.0-1.el9_8.2
Fixed in
  • 2.26.0-1.el9_8.2
AlmaLinux 9ignition-grubAffected
  • <2.26.0-1.el9_8.2
Fixed in
  • 2.26.0-1.el9_8.2
AlmaLinux 9ignition-validateAffected
  • <2.26.0-1.el9_8.2
Fixed in
  • 2.26.0-1.el9_8.2

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 2.26.0-1.el9_8.2. Users should apply this update promptly to remediate the issue. Refer to the Red Hat advisory and update instructions at https://access.redhat.com/articles/11258 for detailed guidance.

Description

Ignition is a system utility that configures systems during the initramfs phase, including disk partitioning and user setup. 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 2.26.0-1.el9_8.2. A security update fixing this issue is available from Red Hat.

References

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