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CVE-2025-12627

2.4 · LOW

The user impersonation flow in WSO2 Identity Server fails to properly manage refresh tokens associated with impersonated sessions.

Published Aug 6, 2026CWE-613EPSS 0.20%

Overview

CVE-2025-12627 is a low-severity vulnerability. It was published on August 6, 2026 and has a CVSS 3.1 base score of 2.4 (LOW).

This vulnerability has a CVSS 3.1 base score of 2.4, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The user impersonation flow in WSO2 Identity Server fails to properly manage refresh tokens associated with impersonated sessions. This allows an attacker who has obtained an access token for an impersonated user to leverage the refresh token grant to obtain new access tokens, extending their ability to act as the legitimate user.

An attacker who gains access to an impersonated user's access token can exploit this weakness to renew their authorization. This results in the continued ability to perform actions on behalf of the actual user, compromising log integrity and traceability by masking the true actor.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refsecurity.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4619/

How CyberStrike helps

Frequently asked questions

What is CVE-2025-12627?

CVE-2025-12627 is a low-severity vulnerability. It was published on August 6, 2026 and has a CVSS 3.1 base score of 2.4 (LOW).

How severe is CVE-2025-12627?

This vulnerability has a CVSS 3.1 base score of 2.4, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-12627?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-12627?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-12627 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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