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CVE-2026-86857

Authorization Bypass in ServiceNow AI Platform

CVSS 4.0 8.4 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-86857

Published

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. ServiceNow 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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-86857

Published

ServiceNow AI Platform

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "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"
                }

Original source record · Cite this exact observation · Complete original publisher JSON