Answer in brief
CVE-2020-8565 records a Medium severity (CVSS 4.7) vulnerability in Kubernetes client-go vulnerable to Sensitive Information Leak via Log File. The current sources do not mark it as known exploited. The current feed maps k8s.io/client-go (go), k8s.io/client-go (go), k8s.io/client-go (go), k8s.io/client-go (go) and additional mapped packages. 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 4.7. 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/client-go (go), k8s.io/client-go (go), k8s.io/client-go (go), k8s.io/client-go (go) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| k8s.io/client-gogo | >=0.19.0 <0.19.6 | 0.19.6 |
| k8s.io/client-gogo | >=0.20.0-alpha.0 <0.20.0-alpha.2 | 0.20.0-alpha.2 |
| k8s.io/client-gogo | >=0.18.0 <0.18.14 | 0.18.14 |
| k8s.io/client-gogo | >=0 <0.17.16 | 0.17.16 |
| k8s.io/kubernetesgo | >=0 <1.20.0-alpha.2 | 1.20.0-alpha.2 |
Published upstream
Feb 6, 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
In Kubernetes, if the logging level is set to at least 9, authorization and bearer tokens will be written to log files. This can occur both in API server logs and client tool output like kubectl. This affects <= v1.19.5, <= v1.18.13, <= v1.17.15, < v1.20.0-alpha2.
Quoted source text, attributed separately from HOL analysis.