CVE-2026-21391: Ping Identity Pingam

Critical severity, CVSS 9.5. EPSS: 0.4% chance of exploitation in the next 30 days.

An improper validation vulnerability exists within PingAM where a well-crafted request allows arbitrary or protected ID Token claims to be set or overridden. In certain configurations this could allow an attacker to bypass authentication controls via spoofing leading to privilege escalation or impersonation.

Affected products

• Ping Identity Pingam: version 8.1.0 only; from 8.0.0, up to and including 8.0.2; from 7.5.0, up to and including 7.5.2; from 7.4.0, up to and including 7.4.2; from 7.3.0, up to and including 7.3.3; from 7.2.0, up to and including 7.2.2; …

Published 2026-09-14. Last modified 2026-09-18.