AIKIDO-2026-196810
org.wso2.carbon.apimgt.rest.api.util is vulnerable to Authentication Bypass
100
Critical Risk
This Affects:
org.wso2.carbon.apimgt.rest.api.utilTL;DR
JWT authentication can accept a token signed with an unsupported algorithm, allowing unauthorized access and possible account takeover.
Who does this affect?
You are affected if your deployment uses JWT authentication and accepts tokens signed with unsupported algorithms.
Background info
org.wso2.carbon.apimgt.rest.api.util is vulnerable to Authentication Bypass in versions 9.20.74 - 9.20.74.400, 9.28.116 - 9.28.116.416, 9.29.120 - 9.29.120.235, 9.30.67 - 9.30.67.166, 9.31.86 - 9.31.86.157 and 9.32.147 - 9.32.147.58.
How to fix this
Upgrade the org.wso2.carbon.apimgt:org.wso2.carbon.apimgt.rest.api.util library to the patch version.
Links
security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5328/cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-5430
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