CVE-2026-21391
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.
- Published Sep 14, 2026
- CVSS 9.5 critical
- 0.4% chance of exploitation in the next 30 days (EPSS)