Answer in brief
CVE-2023-2727 records a Medium severity (CVSS 6.5) vulnerability in kube-apiserver vulnerable to policy bypass. The current sources do not mark it as known exploited. The current feed maps k8s.io/kubernetes (go), k8s.io/kubernetes (go), k8s.io/kubernetes (go), k8s.io/kubernetes (go). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps k8s.io/kubernetes (go), k8s.io/kubernetes (go), k8s.io/kubernetes (go), k8s.io/kubernetes (go). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| k8s.io/kubernetesgo | >=1.27.0 <1.27.3 | 1.27.3 |
| k8s.io/kubernetesgo | >=1.26.0 <1.26.6 | 1.26.6 |
| k8s.io/kubernetesgo | >=1.25.0 <1.25.11 | 1.25.11 |
| k8s.io/kubernetesgo | >=0 <1.24.15 | 1.24.15 |
Published upstream
Jul 3, 2023
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Sep 10, 2026
Users may be able to launch containers using images that are restricted by ImagePolicyWebhook when using ephemeral containers. Kubernetes clusters are only affected if the ImagePolicyWebhook admission plugin is used together with ephemeral containers.
Quoted source text, attributed separately from HOL analysis.