What’s Vulnerable › Vulnerabilities
CVE-2025-10470: Denial-of-Service via Magic Link Authentication in WSO2 Identity Server Allows Service Unavailability
- Severity: high (CVSS 8.6 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-11 · updated 2026-10-14
- Weakness: CWE-400
Description
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.
Affected products
- WSO2 Identity Server: from 7.0.0 before 7.0.0.121 — fixed in 7.0.0.121
How to fix
Upgrade to a fixed version: WSO2 Identity Server 7.0.0.121. Check the vendor advisory for mitigations.
References
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