CVE-2025-13173
Improper Token Revocation via Session-Bound Token Flow in Multiple WSO2 Products Allows Unauthorized Access After Session Termination
- State
- Published
- Severity
- 6.5 Medium
- Published
- Oct 19, 2026
- Updated
- Oct 20, 2026
- Reserved
- Nov 14, 2025
Description
Tokens associated with user sessions are not revoked when the corresponding user session is terminated, unless another SSO request is initiated. This occurs when the session-bound token feature is enabled with token binding validation and the "Revoke token upon user logout" option is not active. The software fails to automatically invalidate session-bound tokens upon user session termination.
This vulnerability exists when token binding validation is enabled. As a result, a malicious actor possessing a valid session-bound token could exploit this condition to maintain unauthorized access to applications and resources even after the associated user session has ended, potentially leading to the exposure of sensitive user data.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L | WSO2 |
Weaknesses
- CWE-613 Insufficient Session Expiration
Affected Products
| Product | Versions |
|---|---|
WSO2 API Control PlaneWSO2 |
|
WSO2 Universal GatewayWSO2 |
|
WSO2 API ManagerWSO2 |
|
WSO2 Traffic ManagerWSO2 |
|
WSO2 Identity Server as Key ManagerWSO2 |
|
WSO2 Open Banking IAMWSO2 |
|
WSO2 Open Banking AMWSO2 |
|
WSO2 Identity ServerWSO2 |
|
WSO2 Carbon OAuthWSO2 |
|
References
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