{"action":"Upgrade chainlit to 2.12.0 or later.","affected":[{"fixed":"2.12.0","introduced":"2.4.0rc0"}],"component":"chainlit","cve_ids":["CVE-2026-45018"],"ecosystem":"PyPI","epss":0.01086,"exploited":false,"fixed_versions":["2.12.0"],"ghsa_id":"GHSA-w3fx-mc44-mf6j","id":"tcs_01M5KG19R8NR2S03SJRS5R9Q65","modified_at":"2026-09-10T12:26:01.565580392Z","published_at":"2026-08-25T19:19:28Z","references":["https://osv.dev/vulnerability/GHSA-w3fx-mc44-mf6j","https://github.com/Chainlit/chainlit/security/advisories/GHSA-w3fx-mc44-mf6j","https://github.com/Chainlit/chainlit/commit/0565fd0eccb915fce159929598b053ed79f6e0c9","https://github.com/Chainlit/chainlit","https://github.com/Chainlit/chainlit/releases/tag/2.12.0"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-w3fx-mc44-mf6j","url":"https://osv.dev/vulnerability/GHSA-w3fx-mc44-mf6j"}],"summary":"Chainlit has command injection via MCP stdio transport that allows unauthenticated remote code execution"}