CVE-2025-10470

HIGH

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

Title source: cna
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 8.6
EPSS 0.0032
EPSS Percentile 23.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (4)
wso2/identity_server 7.0.0 - 7.0.0.121
WSO2/WSO2 Carbon MagicLink Authenticator Module 1.1.22 - 1.1.22.3
WSO2/WSO2 Carbon MagicLink Authenticator Module 1.1.31
WSO2/WSO2 Identity Server 7.0.0 - 7.0.0.121
Published May 11, 2026
Tracked Since May 11, 2026