PT-2026-2833

Name of the Vulnerable Software and Affected Versions Chainlit versions prior to 2.8.5 Description Chainlit versions prior to 2.8.5 have an authorization bypass due to a user-controlled key issue. Successful exploitation could allow an attacker to view threads or gain ownership of threads after...

CVE-2025-68492: Authorization Bypass Through User-Controlled Key

Chainlit versions prior to 2.8.5 contain an authorization bypass through user-controlled key vulnerability. If this vulnerability is exploited, threads may be viewed or thread ownership may be obtained by an attacker who can log in to the product...

Directory Traversal

Overview chainlit is a Build Conversational AI. Affected versions of this package are vulnerable to Directory Traversal via the updatethreadelement and deletethreadelement handlers in backend/chainlit/server.py. An authenticated attacker can read arbitrary files from the server by sending a craft...

Authorization Bypass Through User-Controlled Key

Overview chainlit is a Build Conversational AI. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key due to a missing authorization check when binding a WebSocket session to a user-supplied threadId. An attacker can exploit this weakness by providin...

Missing Authorization

Overview chainlit is a Build Conversational AI. Affected versions of this package are vulnerable to Missing Authorization due to improper user verification in the getfile endpoint. This flaw allows unauthorized users to access and retrieve session files by guessing or obtaining valid sessionids,...

Directory Traversal

Overview chainlit is a Build Conversational AI. Affected versions of this package are vulnerable to Directory Traversal via functions like getfile, servefile, and getavatar due to improperly restricting file paths. Attackers can access sensitive files via crafted requests containing malicious pat...