Broken or risky cryptographic algorithm in [UNKNOWN] kube-rbac-proxy
Priority LOW 34CWE-327Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-327.
Summary
The kube-rbac-proxy container before version 0.4.1 as used in Red Hat OpenShift Container Platform does not honor TLS configurations, allowing for use of insecure ciphers and TLS 1.0. An attacker could target traffic sent over a TLS connection with a weak configuration and potentially break the encryption.
Why it matters now
EPSS 0.00663 51st percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| [UNKNOWN] | kube-rbac-proxy | 0.4.1 | — | No fix listed | CNA |
- kube-rbac-proxy Vendor[UNKNOWN] Affected 0.4.1 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kube-rbac-proxy_project:kube-rbac-proxy:*:*:*:*:*:*:*:* | before 0.4.1 | Vulnerable | Kube-rbac-proxy Project |
| cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* | 3.11 | Vulnerable | Red Hat |
- cpe:2.3:a:kube-rbac-proxy_project:kube-rbac-proxy:*:*:*:*:*:*:*:* Versions before 0.4.1 Vulnerable ·Kube-rbac-proxy Project
- cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* Versions 3.11 Vulnerable ·Red Hat
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift Container Platform 3.11 | Fixed | — |
Not affected: 1 product
- Red Hat OpenShift Container Platform 4
Timeline
- 2026-10-02 Threatist record created from CVE-2019-3818
- 2026-10-03 Alias added: GHSA-69hf-98q7-wjq8
- 2026-10-06 EPSS moved to the 50th–90th percentile
References
Sources
- CVE-2019-3818 · CVE Program
- CVE-2019-3818 · NVD
- FIRST EPSS
- GHSA-69hf-98q7-wjq8 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-3818 · Red Hat security data · CC BY 4.0
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