CVE-2025-27935 Authentication Bypass in OTP (One-time Passcode) IdP Adapter Integration Kit
Attackers can bypass multi-factor authentication in PingFederate by exploiting missing state and method validation in the OTP Integration Kit.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-27935?
CVE-2025-27935 is a high-severity authentication bypass vulnerability in One-Time Passcode Integration Kit for PingFederate, published on 4 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-306
Which versions are affected by CVE-2025-27935?
How do I fix CVE-2025-27935?
No fix has been published for CVE-2025-27935 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-27935 being exploited?
There is no known exploitation of CVE-2025-27935 in the wild and no public exploit code.
Sources
Also known as GHSA-42cf-jg8h-gxrv.