CVE-2026-111943: ignition security update
Affects ignitionSource GCVE Database
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
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
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 29 Oct 2026.
What to do
Upgrade the AlmaLinux to 2.26.0-1.el9_8.2.
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AlmaLinux 9ignition | Affected
| Fixed in
|
| AlmaLinux 9ignition-edge | Affected
| Fixed in
|
| AlmaLinux 9ignition-grub | Affected
| Fixed in
|
| AlmaLinux 9ignition-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 2.26.0-1.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.