Description
An authentication bypass vulnerability exists in multiple WSO2 products when FIDO authentication is enabled. When a user account is deleted, the system does not automatically remove associated FIDO registration data. If a new user account is later created using the same username, the system may associate the new account with the previously registered FIDO device.
This flaw may allow a previously deleted user to authenticate using their FIDO credentials and impersonate the newly created user, resulting in unauthorized access. The vulnerability applies only to deployments that utilize FIDO-based authentication.
Metrics
CVSS 3.1 3.8/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| WSO2 | WSO2 Identity Server as Key Manager | >= 5.10.0, < 5.10.0.338 |
| WSO2 | WSO2 Identity Server | >= 5.10.0, < 5.10.0.345; >= 5.11.0, < 5.11.0.394 |
| WSO2 | WSO2 Open Banking IAM | >= 2.0.0, < 2.0.0.389 |
References
Timeline
- Published
- Sep 23, 2025
- Last modified
- Oct 18, 2026
- NVD status
- Analyzed