{"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": "2026-10-19T16:04:07.065Z"}, "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"}}}}

{}

{"affected": [{"affectedData": [{"product": "mercury", "vendor": "mljar", "versions": [{"status": "affected", "version": ">= 3.0.0, < 3.2.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "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."}], "id": "CVE-2026-111057", "lastModified": "2026-10-19T21:14:14.150", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "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"}, "exploitabilityScore": 3.9, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-19T16:17:03.810", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/mljar/mercury/commit/8c467129037ee9df269d543ac217ffd33b97bf3f"}, {"source": "security-advisories@github.com", "url": "https://github.com/mljar/mercury/releases/tag/v3.2.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/mljar/mercury/security/advisories/GHSA-f8c7-rwf9-fmgm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-185"}, {"lang": "en", "value": "CWE-284"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-10-19T17:30:13.903677+00:00", "updated": "2026-10-19T17:30:13.903682+00:00", "vendors": []}