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CVE-2026-96460 Details

Description

A flaw was found in the token exchange mechanism of Keycloak. When using Standard Token Exchange V2, the system issues new tokens with a fresh lifetime based on the requester clients configuration instead of limiting it to the original tokens expiration. This issue allows an authenticated requester to indefinitely extend access for service accounts by repeatedly exchanging tokens, even if the original client has been disabled by an administrator.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://access.redhat.com/errata/RHSA-2026:95761	[email protected]
https://access.redhat.com/errata/RHSA-2026:95762	[email protected]
https://access.redhat.com/security/cve/CVE-2026-96460	[email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2539301	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-303	Incorrect Implementation of Authentication Algorithm	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

Date	Action	Recorded By
Nov 6, 2026	CVE Modified	[email protected]
Nov 6, 2026	CVE Modified	[email protected]
Nov 6, 2026	New CVE Received	[email protected]