Red Hat Security Advisory: ignition security update
Affects Red Hat ignitionSource GCVE Database
Not known to be exploited : upgrade Red Hat x509 to 1.27.3 or 1.26.10 when convenient.
Data as of 30 Oct 2026, 03:00 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- Patch
- Available – fixed in 1.27.3, 1.26.10
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 crypto/x509 to 1.27.3 or 1.26.10.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard librarycrypto/x509 | Affected
| Fixed in
|
| Go standard librarycrypto/x509 | Affected
| Fixed in
|
Gocrypto/x509pkg:golang/crypto/x509Other threats | 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
Red Hat has released an official security update for Ignition in Red Hat Enterprise Linux 10.2 Extended Update Support and related variants. Users should apply the update as described in the Red Hat advisory (https://access.redhat.com/articles/11258) to remediate the vulnerability. No additional mitigation steps are indicated beyond applying the official patch.
Description
Ignition is a system utility used during the initramfs phase to configure disks, files, and users on first boot by applying configuration from various sources. A security vulnerability (CVE-2026-111943) in the golang crypto/x509 package used by Ignition allows man-in-the-middle attacks via untrusted intermediate certificates. This vulnerability affects Red Hat Enterprise Linux 10.2 Extended Update Support and related variants. Red Hat has issued an important security update to address this issue.