Red Hat Security Advisory: OpenShift Virtualization v4.21 Images
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 7.7 High.
Data as of 3 Nov 2026, 11:14 UTC
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 28 May 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 3 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red HatRed Hat Container Native Virtualization 4.17 | Affected– | Fixed in– |
| Red HatRed Hat Container Native Virtualization 4.18 | Affected– | Fixed in– |
| Red HatRed Hat Container Native Virtualization 4.19 | Affected– | Fixed in– |
| Red HatRed Hat Container Native Virtualization 4.20 | Affected– | Fixed in– |
| Red HatRed Hat Container Native Virtualization 4.21 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift Virtualization 4 | Affected– | Fixed in– |
Description
OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift Virtualization v4.21 images.
References
- access.redhat.com/errata/RHSA-2026:27903 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-35469 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-9804 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_27903.json (opens in a new tab)