CVE-2026-81846

{"id": "CVE-2026-81846", "cveTags": [], "metrics": {"ssvcV203": [{"source": "44488dab-36db-4358-99f9-bc116477f914", "ssvcData": {"role": "CNA", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3"}}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-81846", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-01T19:36:32.794252Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "44488dab-36db-4358-99f9-bc116477f914", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 3.5, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 1.8}]}, "affected": [{"source": "44488dab-36db-4358-99f9-bc116477f914", "affectedData": [{"vendor": "runZero", "modules": ["Findings summaries"], "product": "Platform", "versions": [{"status": "affected", "version": "4.0.251031.0", "versionType": "semver", "lessThanOrEqual": "5.1.260825.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-01T19:17:28.333", "references": [{"url": "https://help.runzero.com/docs/release-notes/#512608260", "source": "44488dab-36db-4358-99f9-bc116477f914"}, {"url": "https://www.runzero.com/advisories/runzero-mcp-findings-summaries-data-leak-cve-2026-81846", "source": "44488dab-36db-4358-99f9-bc116477f914"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "44488dab-36db-4358-99f9-bc116477f914", "description": [{"lang": "en", "value": "CWE-639"}]}], "descriptions": [{"lang": "en", "value": "An authorization bypass in the runZero Platform MCP service has been resolved in version 5.1.260826.0. This issue is an instance of CWE-639: Authorization Bypass Through User-Controlled Key and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N (3.5 Low)."}], "lastModified": "2026-09-09T15:52:04.827", "sourceIdentifier": "44488dab-36db-4358-99f9-bc116477f914"}