๐Ÿ” CVE Alert

CVE-2025-10470

HIGH 8.6

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

CVSS Score
8.6
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-400
Vendor wso2
Product wso2 identity server
Published May 11, 2026
Last Updated May 11, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High

Affected Versions

WSO2 / WSO2 Identity Server
7.0.0 < 7.0.0.121
WSO2 / WSO2 Carbon MagicLink Authenticator Module
1.1.22 < 1.1.22.3

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
security.docs.wso2.com: https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4469/