CVE-2023-0456: Red Hat Apicast

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

A flaw was found in APICast, when 3Scale's OIDC module does not properly evaluate the response to a mismatched token from a separate realm. This could allow a separate realm to be accessible to an attacker, permitting access to unauthorized information.

Affected products

• Red Hat Apicast: before 2.12.2 (fixed in 2.12.2); from 2.13.0, before 2.13.2 (fixed in 2.13.2)

Published 2023-09-27. Last modified 2026-06-17.