CVE-2026-3583
When the `allowed_scopes` configuration is enabled, the OAuth2 token introspection mechanism does not immediately invalidate a token in the cache after a revoc…
Impact
When the `allowed_scopes` configuration is enabled, the OAuth2 token introspection mechanism does not immediately invalidate a token in the cache after a revocation request. This results in a scenario where an access token that was introspected immediately before a revocation request may be returned again to the client after revocation, until the relevant cache entry is cleared. The security consequence is that a revoked access token may be re-issued to the client during the cache lifetime. While the re-issued token is not treated as valid for API authorization, affected users may be unable to obtain a new valid access token until the cache is cleared, which can disrupt authentication flows.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| WSO2 | WSO2 API Manager | from 4.1.0 before 4.1.0.267 from 4.2.0 before 4.2.0.207 from 3.1.0 before 3.1.0.367 from 3.2.1 before 3.2.1.106 from 4.0.0 before 4.0.0.394 from 4.6.0 before 4.6.0.29 |
| WSO2 | WSO2 Carbon OAuth | from 6.8.0 before 6.8.0.59 from 6.4.2 before 6.4.2.178 from 6.4.176 before 6.4.176.38 from 6.13.16 before 6.13.16.32 from 7.0.26 before 7.0.26.103 from 6.14.14 before 6.14.14.3 |
| WSO2 | WSO2 Identity Server As Key Manager | from 5.10.0 before 5.10.0.387 |
| WSO2 | WSO2 API Control Plane | from 4.6.0 before 4.6.0.30 from 4.5.0 before 4.5.0.68 from 4.7.0 before 4.7.0.3 |
| WSO2 | WSO2 Universal Gateway | from 4.6.0 before 4.6.0.29 from 4.5.0 before 4.5.0.67 from 4.7.0 before 4.7.0.3 |
| WSO2 | WSO2 Traffic Manager | from 4.7.0 before 4.7.0.3 from 4.5.0 before 4.5.0.65 from 4.6.0 before 4.6.0.29 |
| WSO2 | WSO2 Identity Server | from 7.2.0 before 7.2.0.20 from 5.11.0 before 5.11.0.444 from 6.0.0 before 6.0.0.270 from 7.0.0 before 7.0.0.152 from 7.3.0 before 7.3.0.1 from 5.10.0 before 5.10.0.397 |
| WSO2 | WSO2 Open Banking AM | from 2.0.0 before 2.0.0.414 |
| WSO2 | WSO2 Open Banking IAM | from 2.0.0 before 2.0.0.434 |