Red Hat Security Advisory: OpenShift Container Platform 4.20 CNF vRAN extras topology aware lifecycle manager update
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 9.1 Critical : upgrade Red Hat grpc-go to 1.79.3 as a priority.
Data as of 29 Oct 2026, 22:32 UTC
- Patch
- Available – fixed in 1.79.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 20 Mar 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 grpc-go and github.com/grpc/grpc-go to 1.79.3.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| grpcgrpc-go | Affected
| Fixed in
|
Gogithub.com/grpc/grpc-gopkg:golang/github.com/grpc/grpc-goOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the extra vran topology aware lifecycle manager images for Red Hat OpenShift Container Platform 4.20. All OpenShift Container Platform users are advised to upgrade to these updated packages and images.