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CVE-2026-103314

7.4 · HIGH

A flaw was found in Red Hat Advanced Cluster Security for Kubernetes (RHACS).

Published Oct 19, 2026CWE-294EPSS 0.40%

Overview

CVE-2026-103314 is a high-severity vulnerability. It was published on October 19, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A flaw was found in Red Hat Advanced Cluster Security for Kubernetes (RHACS). The Central SAML authentication ACS endpoint does not retain used SAML assertion or response identifiers to prevent replay. An attacker who obtains a valid, unexpired signed SAML response can submit it multiple times and receive distinct Central authentication tokens for the mapped identity.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refaccess.redhat.com/errata/RHSA-2026:85932Refaccess.redhat.com/errata/RHSA-2026:92342Refaccess.redhat.com/security/cve/CVE-2026-103314Refbugzilla.redhat.com/show_bug.cgi?id=2543879

How CyberStrike helps

Frequently asked questions

What is CVE-2026-103314?

CVE-2026-103314 is a high-severity vulnerability. It was published on October 19, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).

How severe is CVE-2026-103314?

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-103314?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-103314?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-103314 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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