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.

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History

Mon, 14 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
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.
Title Improper Claim Validation in PingAM OIDC Provider
Weaknesses CWE-290
References
Metrics cvssV4_0

{'score': 9.5, 'vector': '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: Ping Identity

Published:

Updated: 2026-09-14T14:25:10.479Z

Reserved: 2026-01-07T15:15:23.421Z

Link: CVE-2026-21391

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-09-14T12:17:38.810

Modified: 2026-09-14T12:17:38.810

Link: CVE-2026-21391

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses