{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-111058","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-10-15T12:47:13.664Z","datePublished":"2026-10-19T16:06:22.646Z","dateUpdated":"2026-10-19T17:06:53.899Z"},"containers":{"cna":{"title":"Mercury: Unauthenticated Remote Code Execution via /api/kernels","problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/mljar/mercury/security/advisories/GHSA-rv4m-xm3f-3ccq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/mljar/mercury/security/advisories/GHSA-rv4m-xm3f-3ccq"},{"name":"https://github.com/mljar/mercury/commit/73a40ceb0becf057f495a5738ad7f5a5222a53e1","tags":["x_refsource_MISC"],"url":"https://github.com/mljar/mercury/commit/73a40ceb0becf057f495a5738ad7f5a5222a53e1"},{"name":"https://github.com/mljar/mercury/releases/tag/3.2.6","tags":["x_refsource_MISC"],"url":"https://github.com/mljar/mercury/releases/tag/3.2.6"}],"affected":[{"vendor":"mljar","product":"mercury","versions":[{"version":"< 3.2.6","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-10-19T16:06:22.646Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-rv4m-xm3f-3ccq","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-19T17:05:16.440516Z","id":"CVE-2026-111058","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-19T17:06:53.899Z"}}]}}