PingFederate OAuth client_secret_jwt Authentication Bypass
Priority MEDIUM 45CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.
Summary
Authentication bypass when an OAuth2 Client is using client_secret_jwt as its authentication method on affected 11.3 versions via specially crafted requests.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00933 60th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Ping Identity | PingFederate | 11.3.0 – 11.3.2 | — | No fix listed | CNA |
- PingFederate VendorPing Identity Affected 11.3.0 – 11.3.2 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pingidentity:pingfederate:11.3.0:*:*:*:*:*:*:* | 11.3.0 | Vulnerable | Ping Identity |
- cpe:2.3:a:pingidentity:pingfederate:11.3.0:*:*:*:*:*:*:* Versions 11.3.0 Vulnerable ·Ping Identity
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-40545
- 2026-10-03 Alias added: GHSA-37j2-h4x2-rp3v
References
More Ping Identity Pingfederate vulnerabilities
- TI-2023-18913 Authentication Bypass via HTML Form & Identifier First Adapter CVSS 3.1CRITICAL 9.8
- TI-2021-17402 The Authentication API in Ping Identity PingFederate before 10.3 mishandles certain… CVSS 3.1CRITICAL 9.8
- TI-2022-19358 Cross-Site Request Forgery on PingFederate Local Identity Profiles Endpoint. CVSS 3.1HIGH 8.8
- TI-2023-20377 Admin Console Denial of Service via Java class enumeration CVSS 3.1HIGH 7.5
- TI-2022-19356 Misconfiguration of RSA padding for offline MFA in the PingID Adapter for PingFederate. CVSS 3.1HIGH 7.7
- TI-2021-18414 Ping Identity PingFederate before 10.3.1 mishandles pre-parsing validation, leading to an… CVSS 3.1HIGH 7.5
Sources
- CVE-2023-40545 · CVE Program
- CVE-2023-40545 · NVD
- FIRST EPSS
- GHSA-37j2-h4x2-rp3v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences