CVEvulnerability
CVE-2026-21391
9.5 CRITICAL
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-09-14
- Last modified
- 2026-09-18
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Weaknesses
- CWE-290
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.
Related
Weakness · CWE (1)
- CWE-290 Authentication Bypass by Spoofing weakness
References
- https://support.pingidentity.com/s/article/PingAM-Security-Advisory-202603 support.pingidentity.com