Red Hat Advanced Cluster Management For Kubernetes vulnerabilities

17 CVEs affecting Red Hat Advanced Cluster Management For Kubernetes, 1 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-71846, published 2026-08-12.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2023-44487: HTTP/2 Rapid Reset Attack Vulnerability, published 2023-10-10. High severity, CVSS 7.5. Actively exploited: in CISA KEV since 2023-10-10. EPSS: 100% chance of exploitation in the next 30 days. The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
CVE-2022-27191, published 2022-03-18. High severity, CVSS 7.5. EPSS: 3.9% chance of exploitation in the next 30 days. The golang.org/x/crypto/ssh package before 0.0.0-20220314234659-1baeb1ce4c0b for Go allows an attacker to crash a server in certain circumstances involving AddHostKey.
CVE-2026-44495, published 2026-06-11. High severity, CVSS 7.7. EPSS: 1% chance of exploitation in the next 30 days. Axios is a promise based HTTP client for the browser and Node.js. From 0.19.0 to before 0.31.1 and 1.15.2, Axios contains prototype-pollution gadgets in request config processing. If another…
CVE-2022-2238, published 2022-09-01. Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days. A vulnerability was found in the search-api container in Red Hat Advanced Cluster Management for Kubernetes when a query in the search filter gets parsed by the backend. This flaw allows an attacker…
CVE-2026-71475, published 2026-08-11. Medium severity, CVSS 6.8. EPSS: 0.7% chance of exploitation in the next 30 days. A flaw was found in insights-client. A compromised managed cluster, referred to as a 'spoke', can inject unencoded data into the Insights API URL path. This occurs because the ClusterID, which is…
CVE-2020-25655, published 2020-11-09. Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days. An issue was discovered in ManagedClusterView API, that could allow secrets to be disclosed to users without the correct permissions. Views created for an admin user would be made available for a…
CVE-2025-14874, published 2025-12-18. High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days. A flaw was found in Nodemailer. This vulnerability allows a denial of service (DoS) via a crafted email address header that triggers infinite recursion in the address parser.
CVE-2026-71845, published 2026-08-11. High severity, CVSS 7.7. EPSS: 0.5% chance of exploitation in the next 30 days. A flaw was found in insights-client. The setDefault() function logs the value of every environment variable it processes, including CCX_TOKEN, a bearer credential used in disconnected cluster…
CVE-2022-3248, published 2023-10-05. High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days. A flaw was found in OpenShift API, as admission checks do not enforce "custom-host" permissions. This issue could allow an attacker to violate the boundaries, as permissions will not be applied.
CVE-2020-25688, published 2020-11-23. Low severity, CVSS 3.5. EPSS: 0.3% chance of exploitation in the next 30 days. A flaw was found in rhacm versions before 2.0.5 and before 2.1.0. Two internal service APIs were incorrectly provisioned using a test certificate from the source repository. This would result in all…

Latest

CVE-2026-71846, published 2026-08-12. Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days. A flaw was found in insights-client. The component's ServiceAccount is bound to a ClusterRole granting cluster-wide secrets get, list, and watch permissions, while the code only requires access to a…
CVE-2026-71474, published 2026-08-11. High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days. A flaw was found in insights-client. When the application receives a non-200 response, it logs the request headers, which can include the cloud.openshift.com pull-secret token. A local user with…
CVE-2025-57851, published 2026-04-08. Medium severity, CVSS 6.7. EPSS: 0.1% chance of exploitation in the next 30 days. A container privilege escalation flaw was found in certain Multicluster Engine for Kubernetes images. This issue stems from the /etc/passwd file being created with group-writable permissions during…
CVE-2026-4740, published 2026-04-07. High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days. A flaw was found in Open Cluster Management (OCM), the technology underlying Red Hat Advanced Cluster Management (ACM). Improper validation of Kubernetes client certificate renewal allows a managed…
CVE-2025-6017, published 2025-07-02. Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days. A flaw was found in Red Hat Advanced Cluster Management through versions 2.10, before 2.10.7, 2.11, before 2.11.4, and 2.12, before 2.12.4. This vulnerability allows an unprivileged user to view…