Kurz gesagt
- CVE-2026-56104 ist eine Schwachstelle (HOCH (CVSS 8.2)) in chainlit.
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.42%, höher als bei 36.0% aller Schwachstellen.
- Abhilfe: auf 2.10.1 oder neuer aktualisieren.
| Package | Affected versions | Patched versions |
|---|
| chainlit PyPI | < 2.10.1
| 2.10.1
|
Description
Chainlit before 2.10.1 contains a session hijacking vulnerability that allows unauthenticated attackers to restore and inherit authenticated user sessions by presenting a valid sessionId during WebSocket session restoration without ownership verification. Attackers can exploit the restore_existing_session path to assume a victim's permissions and roles, enabling unauthorized invocation of tools and access to data restricted to the authenticated victim.
NVD description
Chainlit before 2.10.1 contains a session hijacking vulnerability that allows unauthenticated attackers to restore and inherit authenticated user sessions by presenting a valid sessionId during WebSocket session restoration without ownership verification. Attackers can exploit the restore_existing_session path to assume a victim's permissions and roles, enabling unauthorized invocation of tools and access to data restricted to the authenticated victim.
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