CVE-2023-40545: Pingidentity Pingfederate

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Authentication bypass when an OAuth2 Client is using client_secret_jwt as its authentication method on affected 11.3 versions via specially crafted requests.

Affected products

• Pingidentity Pingfederate: version 11.3.0 only

Published 2024-02-06. Last modified 2026-06-17.