CVE-2026-4052

This issue only impacts deployments where WSO2 Identity Server is configured as a Resident Key…

Risk score: 64/100
CVSS: 9.8 v3.1
Published: 3 Nov 2026

Open in the live forecast Today's forecast

What to know

What it is: 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.
Affected: See advisory
Fix: Apply the vendor's security update; see the linked advisory.
Exploitation: No known exploitation

Why it is Amber

CVSS 9.8 critical
Remotely exploitable without logging in

References

https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5212/

Original 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.

Last activity 3 Nov 2026. Patch Forecast updates every hour.