Authentication Bypass in OTP (One-time Passcode) IdP Adapter Integration Kit
Priority MEDIUM 40CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00419 36th percentileScored 2026-11-07
Fix Fixed One-Time Passcode Integration Kit for PingFederate (Ping Identity): 1.1.1
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 | One-Time Passcode Integration Kit for PingFederate | 1.0 – 1.1 | 1.1.1 | Patch available | CNA |
- One-Time Passcode Integration Kit for PingFederate VendorPing Identity Affected 1.0 – 1.1 Fixed in 1.1.1 Patch available CNA
Remediation
- Fix · CNA One-Time Passcode Integration Kit for PingFederate (Ping Identity) Fixed in 1.1.1
Timeline
- 2026-10-02 Threatist record created from CVE-2025-27935
- 2026-10-03 Alias added: GHSA-42cf-jg8h-gxrv
References
More Ping Identity vulnerabilities
- TI-2018-15786 UnboundID LDAP SDK version from commit 801111d8b5c732266a5dbd4b3bb0b6c7b94d7afb up to… CVSS 3.0CRITICAL 9.8
- TI-2020-08561 Ping Identity PingID SSH before 4.0.14 contains a heap buffer overflow in PingID-enrolled… CVSS 3.1CRITICAL 9.8
- TI-2025-14368 PingAM Java Policy Agent path traversal CVSS 4.0CRITICAL 9.2
- TI-2023-21350 PingFederate OAuth client_secret_jwt Authentication Bypass CVSS 3.1CRITICAL 9.8
- TI-2026-17292 Improper Claim Validation in PingAM OIDC Provider CVSS 4.0CRITICAL 9.5
- TI-2023-20828 PingFederate PingID Radius PCV Authentication Bypass CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-27935 · CVE Program
- CVE-2025-27935 · NVD
- FIRST EPSS
- GHSA-42cf-jg8h-gxrv · 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