Skip to main content
CVE-2026-111943VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat build of MicroShift 4.22.20 security update

Affects Red HatSource GCVE Database

0
Compare
Authoritative record:CVE-2026-111943· Medium

Not known to be exploited : upgrade Red Hat x509 to 1.27.3 or 1.26.10 when convenient.

Data as of 29 Oct 2026, 08:25 UTC

Severity
Medium

Rated by Threat Radar · 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 1.27.3, 1.26.10

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 crypto/x509 to 1.27.3 or 1.26.10.

Affected software

ProductAffectedFixed in
Go standard librarycrypto/x509Affected
  • >=1.27.0-0 <1.27.3
Fixed in
  • 1.27.3
Go standard librarycrypto/x509Affected
  • <1.26.10
Fixed in
  • 1.26.10
Gocrypto/x509pkg:golang/crypto/x509Other threatsAffected
  • <1.26.10
  • >=1.27.0-0 <1.27.3
Fixed in
  • 1.26.10
  • 1.27.3

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users of Red Hat build of MicroShift 4.22 should apply the updated RPM packages and container images provided in the advisory once available in the RPM repository. Detailed installation instructions are available in the Red Hat documentation for MicroShift 4.22. Applying these updates fully remediates the vulnerability.

Description

A security update for Red Hat build of MicroShift 4.22.20 addresses a vulnerability in the golang crypto/x509 package that could allow man-in-the-middle attacks via untrusted intermediate certificates (CVE-2026-111943). MicroShift is a lightweight Kubernetes orchestration solution for edge device deployments. Users of MicroShift 4.22 are advised to apply the updated RPM packages and container images to mitigate this issue.

References

Community reviews

Loading reviews…