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.
Published: 2026-09-14
Score: 9.5 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

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'}

Subscriptions

No data.

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

Updated: 2026-09-14T14:25:05.779Z

cve-icon NVD

Status : Received

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

Modified: 2026-09-14T15:17:04.850

Link: CVE-2026-21391

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-14T20:45:08Z

Weaknesses
  • CWE-290

    Authentication Bypass by Spoofing