Vulnerability details
CVE-2026-21391
Ping Identity PingAM
Improper Claim Validation in PingAM OIDC Provider
CVSS 4.0
9.5Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.5Critical | 4.0 | CVEProject cvelistV5 (CNA) (Ping Identity) | 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 |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Ping Identity | PingAM | v < 7.0.0 | CVEProject cvelistV5 (CNA) |
| Ping Identity | PingAM | 8.1.0 | CVEProject cvelistV5 (CNA) |
| Ping Identity | PingAM | 7.0.0 ≤ v ≤ 7.0.2 | CVEProject cvelistV5 (CNA) |
| Ping Identity | PingAM | 7.1.0 ≤ v ≤ 7.1.4 | CVEProject cvelistV5 (CNA) |
| Ping Identity | PingAM | 7.2.0 ≤ v ≤ 7.2.2 | CVEProject cvelistV5 (CNA) |
| Ping Identity | PingAM | 7.3.0 ≤ v ≤ 7.3.3 | CVEProject cvelistV5 (CNA) |
| Ping Identity | PingAM | 7.4.0 ≤ v ≤ 7.4.2 | CVEProject cvelistV5 (CNA) |
| Ping Identity | PingAM | 7.5.0 ≤ v ≤ 7.5.2 | CVEProject cvelistV5 (CNA) |
| Ping Identity | PingAM | 8.0.0 ≤ v ≤ 8.0.2 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-09-14
- Last updated
- 2026-09-14
- State
- Published
- Assigner (CNA)
- Ping Identity
Exploit prediction (EPSS)
0.57%
Probability of exploitation in 30 days
47.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-290Authentication bypass by spoofing