{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-111057", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-15T12:47:13.664Z", "datePublished": "2026-10-19T16:04:07.065Z", "dateUpdated": "2026-10-28T15:31:24.524Z" }, "containers": { "cna": { "title": "Mercury: Unauthenticated Remote Code Execution in /api/terminals - access control bypass", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-185", "lang": "en", "description": "CWE-185: Incorrect Regular Expression", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-284", "lang": "en", "description": "CWE-284: Improper Access Control", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" } } ], "references": [ { "name": "https://github.com/mljar/mercury/security/advisories/GHSA-f8c7-rwf9-fmgm", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/mljar/mercury/security/advisories/GHSA-f8c7-rwf9-fmgm" }, { "name": "https://github.com/mljar/mercury/commit/8c467129037ee9df269d543ac217ffd33b97bf3f", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/mljar/mercury/commit/8c467129037ee9df269d543ac217ffd33b97bf3f" }, { "name": "https://github.com/mljar/mercury/releases/tag/v3.2.4", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/mljar/mercury/releases/tag/v3.2.4" } ], "affected": [ { "vendor": "mljar", "product": "mercury", "versions": [ { "version": ">= 3.0.0, < 3.2.4", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-19T16:04:07.065Z" }, "descriptions": [ { "lang": "en", "value": "Mercury is a Python framework for sharing Jupyter notebooks as web applications and dashboards. From 3.0.0 until 3.2.4, a missing comma in BLOCKED_PATTERNS concatenates the /lab and /api/terminals regular-expression literals. Requests to /api/terminals therefore bypass the anonymous endpoint blocklist and reach Jupyter Server's terminal API. An unauthenticated attacker can use the resulting interactive operating-system shell to execute commands and access data available to the Mercury process. This issue is fixed in version 3.2.4." } ], "source": { "advisory": "GHSA-f8c7-rwf9-fmgm", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/mljar/mercury/security/advisories/GHSA-f8c7-rwf9-fmgm", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-28T15:31:16.899020Z", "id": "CVE-2026-111057", "options": [ { "Exploitation": "poc" }, { "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": "2026-10-28T15:31:24.524Z" } } ] } }