Public mode

No access to your tenant or devices. Every item links to its source. What this means

CVE-2026-21391

Improper Claim Validation in PingAM OIDC Provider

CVSS 4.0 9.5 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-21391

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-21391

Published

PingAM

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Ping Identity",
                    "product": "PingAM",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "8.1.0",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "8.0.0",
                            "lessThanOrEqual": "8.0.2",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "7.5.0",
                            "lessThanOrEqual": "7.5.2",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "7.4.0",
                            "lessThanOrEqual": "7.4.2",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "7.3.0",
                            "lessThanOrEqual": "7.3.3",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "7.2.0",
                            "lessThanOrEqual": "7.2.2",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "7.1.0",
                            "lessThanOrEqual": "7.1.4",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "7.0.0",
                            "lessThanOrEqual": "7.0.2",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "7.0.0",
                            "changes": [
                                {
                                    "at": "0",
                                    "status": "affected"
                                }
                            ],
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "affected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON