CVE-2026-74240

A flaw was found in Red Hat Quay's JWT (JSON Web Token) validation for federated robot accounts and single sign-on (SSO) authentication. Multiple issues related to audience verification and the enforcement of `azp` and `sub` claims were identified. These flaws could allow an attacker with a validly-signed token from the same identity provider to bypass configured security restrictions. This bypass could lead to unauthorized access by circumventing intended audience, subject, or authorized-client limitations.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2026-74240	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2516139	Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:redhat:openshift_update_service:-:::::::*
	cpe:2.3:a:redhat:quay:3.0.0:::::::*

History

No history.

Information

Published : 2026-08-14 23:16

Updated : 2026-08-20 19:45

NVD link : CVE-2026-74240

Mitre link : CVE-2026-74240

CVE.ORG link : CVE-2026-74240

JSON object : View

Products Affected

redhat

quay
openshift_update_service

CWE

CWE-287

Improper Authentication

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