This issue only impacts deployments where WSO2 Identity Server is configured as a Resident Key Manager with database sharing. In such environments, a self-registered user may gain access to the System REST APIs of WSO2 API Manager by obtaining a token from the WSO2 Identity Server token endpoint.

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Advisories

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Fixes

Solution

Follow the instructions given on https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5212/#solution


Workaround

No workaround given by the vendor.

History

Tue, 03 Nov 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Wso2
Wso2 api Control Plane
Wso2 api Manager
Wso2 wso2 Api Control Plane
Wso2 wso2 Api Manager
Wso2 wso2 Identity Server Key Manager Connector
Vendors & Products Wso2
Wso2 api Control Plane
Wso2 api Manager
Wso2 wso2 Api Control Plane
Wso2 wso2 Api Manager
Wso2 wso2 Identity Server Key Manager Connector

Tue, 03 Nov 2026 08:15:00 +0000

Type Values Removed Values Added
Description This issue only impacts deployments where WSO2 Identity Server is configured as a Resident Key Manager with database sharing. In such environments, a self-registered user may gain access to the System REST APIs of WSO2 API Manager by obtaining a token from the WSO2 Identity Server token endpoint.
Title Privilege Escalation via Token Endpoint in WSO2 API Manager (APIM 4.x/IS as Resident Key Manager)
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WSO2

Published:

Updated: 2026-11-03T08:02:33.735Z

Reserved: 2026-03-12T15:04:40.532Z

Link: CVE-2026-4052

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-03T08:17:15.530

Modified: 2026-11-03T16:16:57.587

Link: CVE-2026-4052

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-03T16:24:36Z

Weaknesses