The Magic Link authentication flow accepts multiple invalid authentication requests without adequate rate limiting or resource control, leading to uncontrolled memory usage growth. This vulnerability can result in a denial-of-service condition, causing service unavailability for deployments that utilize the Magic Link authenticator. The impact is limited to these specific deployments and requires repeated invalid authentication attempts to trigger.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4469/ Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 8.6 · wso2NVD modified 2026-10-14 13:10
Affected (CPE criteria) 1
cpe:2.3:a:wso2:identity_server:*:*:*:*:*:*:*:*