CVE-2025-4754
LowCVSS 2.3Exploitation Probability (EPSS)
Low risk39th percentile - higher than 39% of all known CVEs
Summary
Insufficient Session Expiration vulnerability in team-alembic ash_authentication_phoenix allows a session token captured before sign-out to remain usable afterwards. The default sign_out/2 that AshAuthentication.Phoenix.Controller injects into an application's auth controller only calls Plug.Conn.clear_session/1. It never revokes the stored session or bearer tokens, so a token obtained before sign-out, through script injection, interception or device theft, keeps authenticating until its own expiry. Changing the password still revokes it.
Risk Assessment
An attacker can use a captured session token for unauthorized access even after the user signs out, potentially leading to data breaches.
Recommendation
Update ash_authentication_phoenix to version 2.10.0 or later to fix the vulnerability.
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Original NVD description (English source)
Insufficient Session Expiration vulnerability in team-alembic ash_authentication_phoenix allows a session token captured before sign-out to remain usable afterwards. The default sign_out/2 that AshAuthentication.Phoenix.Controller injects into an application's auth controller only calls Plug.Conn.clear_session/1. It never revokes the stored session or bearer tokens, so a token obtained before sign-out, through script injection, interception or device theft, keeps authenticating until its own expiry. Changing the password still revokes it. This issue affects ash_authentication_phoenix: from 0.1.0 before 2.10.0.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS