Denial-of-Service Vulnerability in WSO2 Magic Link Authentication
CVE-2025-10470

8.6HIGH

Key Information:

Vendor

Wso2

Status
Wso2 Identity Server
Wso2 Carbon Magiclink Authenticator Module
Vendor
CVE Published:
11 May 2026

What is CVE-2025-10470?

The WSO2 Magic Link authentication flow is susceptible to a denial-of-service vulnerability due to inadequate rate limiting and resource management. This flaw allows multiple invalid authentication requests, causing uncontrolled memory growth and potentially leading to service unavailability. Deployments using the Magic Link authenticator are particularly at risk, as they can be affected by repeated invalid attempts, resulting in degraded performance or downtime.

Affected Version(s)

WSO2 Carbon MagicLink Authenticator Module 1.1.22 < 1.1.22.3

WSO2 Identity Server 7.0.0 < 7.0.0.121

WSO2 Carbon MagicLink Authenticator Module 1.1.31

References

https://security.docs.wso2.com/en/latest/security-announc...
vendor-advisory

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.