CVE-2026-4740
HighAdvisory
Published 7 Apr 2026In the index since 8 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 8.2
- base score, highest
- EPSS
- 0.001
- 4th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 3
- of 17,781 indexed, latest versions
- Container images
- 3
- deployed by those charts
- Fix available
- 1 of 1
- affected package
Open Cluster Management (OCM): Cross-cluster privilege escalation via improper Kubernetes client certificate renewal validation
Carried by container images the latest versions of 3 of 17,781 indexed charts deploy, on 3 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| open-cluster-management.io/ | v0.13.0, v1.0.0, v1.2.1-0.20260207064553-4ff167483454 | 1.2.1 | 3 |
- OSV records
- GHSA-q4gv-pjmh-c735
- Also known as
- GO-2026-5564
Charts affected
3 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| cluster-manager-hubappscodeVerified publisher | 2026.2.16 | 1 of 1See more | 1,038 |
| multicluster-controlplaneappscodeVerified publisher | 2025.4.30 | 1 of 1See more | 2,569 |
| kueue-addonocm-helm-chartsVerified publisher | 0.1.4 | 1 of 1See more | 1,563 |
Container images carrying it
3 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| ghcr.io/ | 6de40f528be9 | open-cluster-management.io/ | 1.2.1 | 1 |
| ghcr.io/ | 0cbced8e6240 | open-cluster-management.io/ | 1.2.1 | 1 |
| quay.io/ | 7f728514fead | open-cluster-management.io/ | 1.2.1 | 1 |