https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 09:18:59 +0000 https://db.gcve.eu/vuln/fkie_cve-2026-81637 <p>Insufficient Session Expiration vulnerability in team-alembic AshAuthentication allows an attacker who obtains a victim&#39;s OAuth2 state value to replay the callback and sign that victim into an attacker-controlled account.</p> <p>AshAuthentication.Strategy.OAuth2.Plug.callback/2 clears the stored session_params through a rebinding step inside its with chain, conn &lt;- delete_session(conn, session_key). Elixir evaluates the else block in the scope enclosing the with, so every failure path (the provider returning ?error=access_denied, an invalid code, a token-exchange error, or a registration or sign-in failure) reaches store_authentication_result/2 holding the original connection and the session entry is never removed. The value the module&#39;s own comment describes as protection against a CSRF-related attack is therefore consumed only when authentication succeeds, and survives a cancelled or failed attempt until the next request phase or session expiry.</p> <p>This issue affects ash_authentication: from 0.6.0 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14.</p> <p>Insufficient Session Expiration vulnerability in team-alembic AshAuthentication allows an attacker who obtains a victim&#39;s OAuth2 state value to replay the callback and sign that victim into an attacker-controlled account.</p> <p>AshAuthentication.Strategy.OAuth2.Plug.callback/2 clears the stored session_params through a rebinding step inside its with chain, conn &lt;- delete_session(conn, session_key). Elixir evaluates the else block in the scope enclosing the with, so every failure path (the provider returning ?error=access_denied, an invalid code, a token-exchange error, or a registration or sign-in failure) reaches store_authentication_result/2 holding the original connection and the session entry is never removed. The value the module&#39;s own comment describes as protection against a CSRF-related attack is therefore consumed only when authentication succeeds, and survives a cancelled or failed attempt until the next request phase or session expiry.</p> <p>This issue affects ash_authentication: from 0.6.0 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14.</p> https://db.gcve.eu/vuln/fkie_cve-2026-81637