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9 records

Priority MEDIUM 61

Chainlit 2.12.0 contains a server-side request forgery vulnerability that allows unauthenticated attackers to bypass path-scoped MCP allowed_urls entries because validate_mcp_url does not reject the semicolon character.

CVSS 4.0MEDIUM 6.3 Network No auth No interaction EPSS 0.00221 Published 2026-11-02 No fix listed CWE-918
Priority MEDIUM 45

Chainlit through 2.12.0 fails to validate the client-supplied socket.io sessionId parameter, allowing unauthenticated attackers to traverse filesystem paths by injecting absolute or relative path sequences.

CVSS 4.0HIGH 8.8 Network No auth No interaction EPSS 0.00598 Published 2026-09-09 No fix listed CWE-22
Priority MEDIUM 60

Chainlit through 2.12.0 fails to validate ownership of feedback records in PUT and DELETE endpoints.

CVSS 4.0MEDIUM 6.0 Network Low privileges No interaction EPSS 0.0034 Published 2026-08-28 No fix listed CWE-639
Priority MEDIUM 40

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 restorat…

CVSS 4.0HIGH 8.8 Network Low privileges No interaction EPSS 0.00417 Published 2026-06-22 Fixed in 2.10.1 CWE-862
Priority MEDIUM 50

Chainlit versions prior to 2.9.4 contain a server-side request forgery (SSRF) vulnerability in the /project/element update flow when configured with the SQLAlchemy data layer backend.

CVSS 4.0HIGH 8.3 Network Low privileges No interaction EPSS 0.05174 Published 2026-01-19 Fixed in 2.9.4 CWE-918
Priority MEDIUM 64

Chainlit versions prior to 2.9.4 contain an arbitrary file read vulnerability in the /project/element update flow.

CVSS 4.0HIGH 7.1 Network Low privileges No interaction EPSS 0.09724 Published 2026-01-19 Fixed in 2.9.4 CWE-22
TI-2025-42013 CVE-2025-68492 · GHSA-v492-6xx2-p57g

Authorization bypass in Chainlit

Priority LOW 11

Chainlit versions prior to 2.8.5 contain an authorization bypass through user-controlled key vulnerability.

CVSS 4.0LOW 2.3 Network Low privileges No interaction EPSS 0.00222 Published 2026-01-14 Fixed in 2.8.5 CWE-639