Red Hat Advanced Cluster Security vulnerabilities

7 CVEs affecting Red Hat Advanced Cluster Security, 1 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-44495, published 2026-06-11.

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-2023-48795, published 2023-12-18. Medium severity, CVSS 5.9. EPSS: 93.5% chance of exploitation in the next 30 days. The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted (from…
CVE-2022-1902, published 2022-09-01. High severity, CVSS 8.8. EPSS: 1.4% chance of exploitation in the next 30 days. A flaw was found in the Red Hat Advanced Cluster Security for Kubernetes. Notifier secrets were not properly sanitized in the GraphQL API. This flaw allows authenticated ACS users to retrieve…
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-2024-0406, published 2024-04-06. High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days. A flaw was discovered in the mholt/archiver package. This flaw allows an attacker to create a specially crafted tar file, which, when unpacked, may allow access to restricted files or directories.…
CVE-2023-4958, published 2023-12-12. Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days. In Red Hat Advanced Cluster Security (RHACS), it was found that some security related HTTP headers were missing, allowing an attacker to exploit this with a clickjacking attack. An attacker could…
CVE-2025-5198, published 2025-05-27. Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days. A flaw was found in Stackrox, where it is vulnerable to Cross-site scripting (XSS) if the script code is included in a small subset of table cells. The only known potential exploit is if the script…