[UPDATE] [high] Red Hat Advanced Cluster Management and Multicluster engine for Kubernetes: Vulnerability allows code execution or DoS

CSIRTS triage

What

A remote, authenticated attacker can exploit a vulnerability in Red Hat Advanced Cluster Management and Multicluster engine for Kubernetes to execute arbitrary program code or cause a denial-of-service condition.

Who is affected

Authenticated users of Red Hat Advanced Cluster Management and Multicluster engine for Kubernetes are affected.

Urgency

Remediation is urgent due to the high severity and potential for code execution.

Action

Apply the latest patches from Red Hat to mitigate this vulnerability.

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

Details

Source

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

Severity

high

Published

2026-07-10

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-2026-1367

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-2026-290630.98% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 58% of all scored CVEs.

Referenced CVEs

Recent advisories for Red Hat Advanced

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.

• high[UPDATE] [high] Red Hat Enterprise Linux (Advanced Cluster Management): Multiple vulnerabilitiescert-bund · 2026-07-09
• highCVE-2026-9165: A flaw was found in Red Hat Advanced Cluster Security for Kubernetes (RHACS). Central does not …nvd · 2026-07-06
• medium[UPDATE] [medium] Red Hat Advanced Cluster Security: Vulnerability allows Denial of Servicecert-bund · 2026-07-02

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