{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86857", "assignerOrgId": "303448ea-6ef3-4077-ad29-5c9bf253c375", "state": "PUBLISHED", "assignerShortName": "SN", "dateReserved": "2026-09-08T15:40:14.281Z", "datePublished": "2026-09-24T18:37:47.129Z", "dateUpdated": "2026-09-24T18:46:08.827Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "303448ea-6ef3-4077-ad29-5c9bf253c375", "shortName": "SN", "dateUpdated": "2026-09-24T18:37:47.129Z"}, "title": "Authorization Bypass in ServiceNow AI Platform", "affected": [{"vendor": "ServiceNow", "product": "ServiceNow AI Platform", "versions": [{"status": "affected", "version": "0", "lessThan": "Yokohama Patch 13 Hot Fix 5a", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "Zurich Patch 10 Hot Fix 3b", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "Zurich Patch 10 Hot Fix 4a W32", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "Zurich Patch 11 Hot Fix 3", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "Australia Patch 2 Hot Fix 4b W32", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "Australia Patch 4 Hot Fix 3", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "Australia Patch 5", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "ServiceNow has remediated an authorization bypass security issue that was identified in the ServiceNow AI Platform. This security issue, if exploited, could enable an authenticated user to access data within the ServiceNow AI Platform that the user otherwise would not be entitled to access, potentially enabling further unintended access.\n\n\n\n\n\nServiceNow deployed an update to hosted instances, and ServiceNow provided the update to our partners and self-hosted customers. We are not currently aware of malicious exploitation against ServiceNow instances. We recommend customers promptly apply appropriate updates or upgrade to a patched release if they have not already done so.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div><p><span><span>ServiceNow has </span><span>remediat</span><span>ed </span><span>an authorization bypass </span><span>security issue</span><span> that was </span><span>identified</span><span> in the ServiceNow AI Platform. </span><span>This </span><span>security issue</span><span>, if exploited, could enable an authenticated user to access data within the ServiceNow AI Platform that the user otherwise would not be entitled to access, potentially enabling further un</span><span>intend</span><span>ed access.</span></span></p></div><div><p><span><span>ServiceNow </span><span>deployed an update to hosted instances, and ServiceNow provided the update to our partners and self-hosted customers. We are not currently aware of malicious exploitation against ServiceNow instances. We recommend customers promptly apply </span><span>appropriate updates</span><span> or upgrade to a patched release if they have not already done so.</span></span></p></div>"}]}], "references": [{"url": "https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB3159623"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.4, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-24T18:46:00.486580Z", "id": "CVE-2026-86857", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-24T18:46:08.827Z"}}]}}

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