Critical severity · published Sep 14, 2026
CVE-2026-21391
Improper Claim Validation in PingAM OIDC Provider
9.5
CVSS
0.6%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PI
PingAM · Ping Identity
8.1.0; 8.0.0 through 8.0.2; 7.5.0 through 7.5.2; 7.4.0 through 7.4.2; 7.3.0 through 7.3.3; 7.2.0 through 7.2.2; +3 more · source: vendor
