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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (23.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
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.