CVE-2026-103314

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.

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Produits concernés

• Red Hat Advanced Cluster Security for Kubernetes 4.11
• Red Hat Advanced Cluster Security 4

Scores CVSS

Faiblesses (CWE)

• CWE-294

Références

• https://access.redhat.com/errata/RHSA-2026:85932
• https://access.redhat.com/security/cve/CVE-2026-103314
• https://bugzilla.redhat.com/show_bug.cgi?id=2543879

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories