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CVE-2025-10470— Denial-of-Service via Magic Link Authentication in WSO2 Identity Server Allows Service Unavailability

CVSS 8.6 · High EPSS 0.05% · P15
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I. Basic Information for CVE-2025-10470

Vulnerability Information
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Vulnerability Title
Denial-of-Service via Magic Link Authentication in WSO2 Identity Server Allows Service Unavailability
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WSO2 Identity Server 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WSO2 Identity Server（IS）是美国WSO2公司的一款身份认证服务器。 WSO2 Identity Server存在资源管理错误漏洞，该漏洞源于接受多个无效认证请求但未进行充分的速率限制或资源控制，可能导致内存使用无限制增长，造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
WSO2WSO2 Identity Server 7.0.0 ~ 7.0.0.121 -
WSO2WSO2 Carbon MagicLink Authenticator Module 1.1.22 ~ 1.1.22.3 -

II. Public POCs for CVE-2025-10470

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III. Intelligence Information for CVE-2025-10470

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Same Patch Batch · WSO2 · 2026-05-11 · 6 CVEs total

CVE-2025-99736.4 MEDIUMAuthorization Bypass via Adaptive Authentication in WSO2 Identity Server Allows Cross-Orga
CVE-2025-83256.3 MEDIUMImproper Access Control via Gateway API in Multiple WSO2 Products Allows Unauthorized Oper
CVE-2024-03915.3 MEDIUMUsername Enumeration via Email OTP Flow in Multiple WSO2 Products Allows User Account Disc
CVE-2025-81545.3 MEDIUMHTTP Header Injection via Webhook API in Multiple WSO2 Products Allows Response Header Man
CVE-2025-10908Account Lock Bypass via Magic Link or Pass Key Authentication in WSO2 Identity Server Allo

IV. Related Vulnerabilities

Same product: WSO2 Identity Server
Same vendor: WSO2
Same weakness: CWE-400

V. Comments for CVE-2025-10470

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