How severe is CVE-2025-10470?

CVE-2025-10470 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-10470 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-10470?

CVE-2025-10470 affects Wso2 Identity Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-10470?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-10470 have an EU (EUVD) identifier?

Yes. CVE-2025-10470 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209760.

When was CVE-2025-10470 published?

CVE-2025-10470 was published on 2026-05-11 and last updated on 2026-06-17.

CVE-2025-10470

CVE-2025-10470 is a high-severity vulnerability in Wso2 Identity Server with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209760
Weakness: CWE-400
Affected product: Wso2 Identity Server
Published: 2026-05-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-10470?: CVE-2025-10470 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-10470 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-10470?: CVE-2025-10470 affects Wso2 Identity Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-10470?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-10470 have an EU (EUVD) identifier?: Yes. CVE-2025-10470 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209760.
When was CVE-2025-10470 published?: CVE-2025-10470 was published on 2026-05-11 and last updated on 2026-06-17.

References

https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4469/

Affected products (1)

cpe:2.3:a:wso2:identity_server:*:*:*:*:*:*:*:*

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