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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 impe…

Low CVSS 2.4
CVECVE-2025-12627
First seen2026-08-06 08:30 UTC
Disclosed2026-08-06 08:16 UTC
Last updated2026-08-06 08:30 UTC
Channel statusauto

Summary

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 …

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (1)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4619/

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD