WSO2 Multiple Products Path Traversal Vulnerability . Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 24/09/2026. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| api control plane | ≥ 4.5.0, < 4.5.0.58≥ 4.6.0, < 4.6.0.22 | 4.5.0.584.6.0.22 |
| api manager | ≥ 4.1.0, < 4.1.0.257≥ 4.2.0, < 4.2.0.197≥ 4.3.0, < 4.3.0.108≥ 4.4.0, < 4.4.0.72≥ 4.5.0, < 4.5.0.57≥ 4.6.0, < 4.6.0.21 | 4.1.0.2574.2.0.1974.3.0.1084.4.0.724.5.0.574.6.0.21 |
| traffic manager | ≥ 4.5.0, < 4.5.0.56≥ 4.6.0, < 4.6.0.21 | 4.5.0.564.6.0.21 |
| universal gateway | ≥ 4.5.0, < 4.5.0.57≥ 4.6.0, < 4.6.0.21 | 4.5.0.574.6.0.21 |
The JWT authentication mechanism accepts tokens signed with algorithms other than those explicitly configured or supported. This allows an attacker to craft a JWT with an unsupported algorithm, which is then incorrectly validated, leading to unauthorized access. Successful exploitation of this vulnerability may result in unauthorized access to the system, including the potential compromise of administrative accounts and full account takeover. The CVSS score is adjusted to 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) in single-tenant deployments, reflecting that the impact is contained within a single security authority boundary.
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