[UPDATE] [medium] Red Hat OpenShift Container Platform (kubelet, cri-o, kube-apiserver): Vulnerability allows denial of service

CSIRTS triage

What

A vulnerability allows a remote, authenticated attacker to conduct a denial of service attack.

Who is affected

Users of Red Hat OpenShift Container Platform.

Urgency

Remediation is important due to the potential for denial of service, with unknown exploitation status.

Action

Update to the latest version of Red Hat OpenShift Container Platform.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

medium

Published

2026-08-19

Exploitation

Not in CISA KEV at last sync

Language

Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1950

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-354690.66% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 49% of all EPSS-scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• highCVE-2026-35469: SpdyStream: DOS on CRImsrc
• high[UPDATE] [high] IBM App Connect Enterprise Certified Container: Multiple vulnerabilitiescert-bund

Recent advisories for Red Hat OpenShift

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• medium[UPDATE] [medium] Red Hat OpenShift: Vulnerability Enables File Manipulationcert-bund · 2026-08-25
• high[NEW] [high] Red Hat OpenShift (oauth-proxy): Vulnerability enables Security Measure Bypasscert-bund · 2026-08-21
• medium[NEW] [medium] Red Hat OpenShift Container Platform (fast-uri, OpenTelemetry-Go): Multiple vulnerabilitiescert-bund · 2026-08-21
• medium[UPDATE] [medium] Red Hat OpenShift Container Platform (protobufjs, fast-uri): Multiple vulnerabilitiescert-bund · 2026-08-21
• high[UPDATE] [high] Red Hat OpenShift Container Platform (gRPC-Go): Vulnerability allows bypassing security measur…cert-bund · 2026-08-20
• high[UPDATE] [high] Red Hat OpenShift Container Platform: Vulnerability enables code executioncert-bund · 2026-08-19

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