Resource exhaustion in Wso2 Identity Server
CVE-2025-10470
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.003 (24.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Wso2 Identity_server
- Wso2 Carbon Magiclink Authenticator Module — versions 1.1.22, 1.1.31
- Wso2 Identity Server — versions 7.0.0
Weakness classification (CWE)
References
- ed10eef1-636d-4fbe-9993-6890dfa878f8 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-10470?
- CVE-2025-10470 is a high-severity vulnerability in Wso2 Identity Server, classified under Uncontrolled Resource Consumption. CVSS score: 8.6/10. Published 2026-05-11.
- How severe is CVE-2025-10470?
- High severity. CVSS v3 base score is 8.6 out of 10.