{"schema_version":1,"title":"Chainlit vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 7 vulnerabilities in Chainlit: 0 in the last 7 days and 4 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-86099, was published on 9 September 2026. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/chainlit","json_url":"https://junglewise.ai/threats/vendors/chainlit.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/chainlit","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":4,"all_time":7,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":2,"last_90_days":4,"last_365_days":7},"latest":[{"cve":"CVE-2026-86099","cvss":8.2,"epss":0.006,"slug":"cve-2026-86099-chainlit-path-traversal-and-directory-deletion-via-sessionid","title":"Chainlit path traversal and directory deletion via sessionId","severity":"high","exploited":false,"published_at":"2026-09-09T14:17:20.387+00:00","url":"https://junglewise.ai/threats/cve-2026-86099-chainlit-path-traversal-and-directory-deletion-via-sessionid"},{"cve":"CVE-2026-82290","cvss":5.3,"epss":0.0034,"slug":"cve-2026-82290-chainlit-authorization-bypass-in-feedback-endpoints","title":"Chainlit authorization bypass in feedback endpoints","severity":"medium","exploited":false,"published_at":"2026-08-28T20:20:20.68+00:00","url":"https://junglewise.ai/threats/cve-2026-82290-chainlit-authorization-bypass-in-feedback-endpoints"},{"cve":"CVE-2026-45019","cvss":7.2,"epss":0.0043,"slug":"cve-2026-45019-chainlit-server-side-request-forgery-via-mcp-transports","title":"Chainlit is a Python framework for building production-ready conversational AI applications. From 2.4.0rc0 until 2.12.0, Chainlit deployment","severity":"high","exploited":false,"published_at":"2026-08-25T20:16:55.91+00:00","url":"https://junglewise.ai/threats/cve-2026-45019-chainlit-server-side-request-forgery-via-mcp-transports"},{"cve":"CVE-2026-45018","cvss":9.8,"epss":0.0109,"slug":"cve-2026-45018-chainlit-command-injection-in-mcp-stdio-transport","title":"Chainlit is a Python framework for building production-ready conversational AI applications. From 2.4.0rc0 until 2.12.0, Chainlit deployment","severity":"critical","exploited":false,"published_at":"2026-08-25T20:16:55.72+00:00","url":"https://junglewise.ai/threats/cve-2026-45018-chainlit-command-injection-in-mcp-stdio-transport"},{"cve":"CVE-2026-56104","cvss":7.4,"epss":0.0042,"slug":"cve-2026-56104-chainlit-session-hijacking-in-websocket-session-restoration","title":"Chainlit session hijacking in WebSocket session restoration","severity":"high","exploited":false,"published_at":"2026-06-22T16:16:40.227+00:00","url":"https://junglewise.ai/threats/cve-2026-56104-chainlit-session-hijacking-in-websocket-session-restoration"},{"cve":"CVE-2026-22219","cvss":7.7,"epss":0.0506,"slug":"cve-2026-22219-chainlit-ssrf-in-project-element-update-flow","title":"Chainlit SSRF in project element update flow","severity":"high","exploited":false,"published_at":"2026-01-20T00:15:49.053+00:00","url":"https://junglewise.ai/threats/cve-2026-22219-chainlit-ssrf-in-project-element-update-flow"},{"cve":"CVE-2026-22218","cvss":6.5,"epss":0.0951,"slug":"cve-2026-22218-chainlit-arbitrary-file-read-in-project-element-update-flow","title":"Chainlit arbitrary file read in project element update flow","severity":"medium","exploited":false,"published_at":"2026-01-20T00:15:48.91+00:00","url":"https://junglewise.ai/threats/cve-2026-22218-chainlit-arbitrary-file-read-in-project-element-update-flow"}],"vendor":{"hub":true,"name":"Chainlit","slug":"chainlit","homepage":"https://chainlit.io/","description":"Developer of an open-source Python framework for building conversational AI interfaces.","url":"https://junglewise.ai/threats/vendors/chainlit"},"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":1,"exploited":0,"vulnerabilities":3},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-45018","cvss":9.8,"epss":0.0109,"slug":"cve-2026-45018-chainlit-command-injection-in-mcp-stdio-transport","title":"Chainlit is a Python framework for building production-ready conversational AI applications. From 2.4.0rc0 until 2.12.0, Chainlit deployment","severity":"critical","exploited":false,"published_at":"2026-08-25T20:16:55.72+00:00","url":"https://junglewise.ai/threats/cve-2026-45018-chainlit-command-injection-in-mcp-stdio-transport"},{"cve":"CVE-2026-86099","cvss":8.2,"epss":0.006,"slug":"cve-2026-86099-chainlit-path-traversal-and-directory-deletion-via-sessionid","title":"Chainlit path traversal and directory deletion via sessionId","severity":"high","exploited":false,"published_at":"2026-09-09T14:17:20.387+00:00","url":"https://junglewise.ai/threats/cve-2026-86099-chainlit-path-traversal-and-directory-deletion-via-sessionid"},{"cve":"CVE-2026-22219","cvss":7.7,"epss":0.0506,"slug":"cve-2026-22219-chainlit-ssrf-in-project-element-update-flow","title":"Chainlit SSRF in project element update flow","severity":"high","exploited":false,"published_at":"2026-01-20T00:15:49.053+00:00","url":"https://junglewise.ai/threats/cve-2026-22219-chainlit-ssrf-in-project-element-update-flow"},{"cve":"CVE-2026-56104","cvss":7.4,"epss":0.0042,"slug":"cve-2026-56104-chainlit-session-hijacking-in-websocket-session-restoration","title":"Chainlit session hijacking in WebSocket session restoration","severity":"high","exploited":false,"published_at":"2026-06-22T16:16:40.227+00:00","url":"https://junglewise.ai/threats/cve-2026-56104-chainlit-session-hijacking-in-websocket-session-restoration"},{"cve":"CVE-2026-45019","cvss":7.2,"epss":0.0043,"slug":"cve-2026-45019-chainlit-server-side-request-forgery-via-mcp-transports","title":"Chainlit is a Python framework for building production-ready conversational AI applications. From 2.4.0rc0 until 2.12.0, Chainlit deployment","severity":"high","exploited":false,"published_at":"2026-08-25T20:16:55.91+00:00","url":"https://junglewise.ai/threats/cve-2026-45019-chainlit-server-side-request-forgery-via-mcp-transports"},{"cve":"CVE-2026-22218","cvss":6.5,"epss":0.0951,"slug":"cve-2026-22218-chainlit-arbitrary-file-read-in-project-element-update-flow","title":"Chainlit arbitrary file read in project element update flow","severity":"medium","exploited":false,"published_at":"2026-01-20T00:15:48.91+00:00","url":"https://junglewise.ai/threats/cve-2026-22218-chainlit-arbitrary-file-read-in-project-element-update-flow"},{"cve":"CVE-2026-82290","cvss":5.3,"epss":0.0034,"slug":"cve-2026-82290-chainlit-authorization-bypass-in-feedback-endpoints","title":"Chainlit authorization bypass in feedback endpoints","severity":"medium","exploited":false,"published_at":"2026-08-28T20:20:20.68+00:00","url":"https://junglewise.ai/threats/cve-2026-82290-chainlit-authorization-bypass-in-feedback-endpoints"}],"generated_at":"2026-09-26T13:07:00.120236+00:00","technologies":[{"name":"Chainlit","slug":"chainlit","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/chainlit"}]}