{"id":"CVE-2026-111058","revision":"9d64623ad2e340b79c61c9892f0848fc","records":[{"revision":"9d64623ad2e340b79c61c9892f0848fc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111058","aliases":[],"title":"Mercury: Unauthenticated Remote Code Execution via /api/kernels","description":"Mercury is a Python framework for sharing Jupyter notebooks as web applications and dashboards. Prior to 3.2.6, default tokenless deployments allow anonymous clients to create Jupyter kernels and send execute_request messages containing arbitrary Python. The endpoint blocklist does not cover /api/kernels, and the websocket wrapper previously tracked idle activity without authorizing executable messages. This issue is fixed in version 3.2.6.","state":0,"publishedAt":"2026-10-19T16:06:22.646+00:00","modifiedAt":"2026-10-19T17:06:53.899+00:00","affected":[{"ecosystem":"Vendor product","name":"mercury","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"mljar\",\n                    \"product\": \"mercury\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 3.2.6\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://github.com/mljar/mercury/security/advisories/GHSA-rv4m-xm3f-3ccq","https://github.com/mljar/mercury/commit/73a40ceb0becf057f495a5738ad7f5a5222a53e1","https://github.com/mljar/mercury/releases/tag/3.2.6"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111058","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111058","identifiers":["CVE-2026-111058"]},"retained":false,"historicalAffected":[]}],"coverage":[]}