cve.bz

CVE-2026-21391

9.5 criticalEPSS 0.6%

Critical (9.5). EPSS 0.6% 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.

Severity

CVSS 4.0

9.5 critical
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:N
EPSS
0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)
CWE
CWE-290
Published
Modified
Record from
the NVD, synced

References

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