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VULNERABILITIES

CVE-2026-103314 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.4 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:85932 [email protected]
https://access.redhat.com/errata/RHSA-2026:92342 [email protected]
https://access.redhat.com/security/cve/CVE-2026-103314 [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2543879 [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-294Authentication Bypass by Capture-replay[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-103314
NVD Published Date:
Oct 19, 2026
NVD Last Modified:
Oct 31, 2026
Source:
[email protected]
CVE-2026-103314 Details - Not Deferred