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CVE-2025-10470

Denial-of-Service via Magic Link Authentication in WSO2 Identity Server Allows Service Unavailability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 7.0.0.121, 1.1.22.3
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • WSO2 WSO2 Identity Server

    From 7.0.0 · fixed in 7.0.0.121

  • org.wso2.carbon.identity.local.auth.magiclink:org.wso2.carbon.identity.application.authenticator.magiclink

    From 1.1.22 · fixed in 1.1.22.3

References 1

security.docs.wso2.com