CVE-2026-51878

Description

deeptutor 1.4.0 contains an authorization bypass through a user-controlled object identifier in TurnRuntimeManager.regenerate_last_turn. A remote caller can enumerate or obtain a session_id and trigger regenerate on another user's session.

References

• https://gist.github.com/Ro1ME/8f6e32ba67d184e64e80f243c6625f3a
• https://github.com/HKUDS/DeepTutor/issues/515