{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33522", "assignerOrgId": "cedc17bb-4939-4f40-a1f4-30ae8af1094e", "state": "PUBLISHED", "assignerShortName": "Esri", "dateReserved": "2026-03-20T17:25:24.410Z", "datePublished": "2026-10-26T18:07:42.491Z", "dateUpdated": "2026-10-26T19:38:28.853Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["Windows", "Linux"], "product": "ArcGIS Server", "vendor": "Esri", "versions": [{"lessThan": "12.0", "status": "affected", "version": "11.3", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Esri ArcGIS Server versions 11.3 to 12.0 ONLY allows a remote, unauthenticated attacker to update service metadata. A patch is provided for ArcGIS Server software in General Availability and Extended support status, which includes versions 12.0, 11.5, and 11.3. Other versions are in mature or retired status, which are not patch eligible. Users working with unlisted versions are advised to upgrade and apply the patch."}], "value": "Esri ArcGIS Server versions 11.3 to 12.0 ONLY allows a remote, unauthenticated attacker to update service metadata. A patch is provided for ArcGIS Server software in General Availability and Extended support status, which includes versions 12.0, 11.5, and 11.3. Other versions are in mature or retired status, which are not patch eligible. Users working with unlisted versions are advised to upgrade and apply the patch."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-285", "description": "CWE-285: Improper Authorization", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "cedc17bb-4939-4f40-a1f4-30ae8af1094e", "shortName": "Esri", "dateUpdated": "2026-10-26T18:07:47.349Z"}, "references": [{"url": "https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/october-2026-arcgis-security-bulletin"}], "source": {"discovery": "UNKNOWN"}, "title": "BUG-000182936 - ArcGIS Server has a security vulnerability.", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-33522", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-26T18:55:00.979176Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-26T19:38:28.853Z"}}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows", "Linux"], "product": "ArcGIS Server", "vendor": "Esri", "versions": [{"lessThan": "12.0", "status": "affected", "version": "11.3", "versionType": "custom"}]}], "source": "psirt@esri.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Esri ArcGIS Server versions 11.3 to 12.0 ONLY allows a remote, unauthenticated attacker to update service metadata. A patch is provided for ArcGIS Server software in General Availability and Extended support status, which includes versions 12.0, 11.5, and 11.3. Other versions are in mature or retired status, which are not patch eligible. Users working with unlisted versions are advised to upgrade and apply the patch."}], "id": "CVE-2026-33522", "lastModified": "2026-10-26T18:31:27.923", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "psirt@esri.com", "type": "Primary"}]}, "published": "2026-10-26T18:17:46.503", "references": [{"source": "psirt@esri.com", "url": "https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/october-2026-arcgis-security-bulletin"}], "sourceIdentifier": "psirt@esri.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}], "source": "psirt@esri.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": ["windows", "linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[11.3,12.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ArcGIS Server", "source": "cna", "vendor": "Esri"}, "product": "arcgis_server", "vendor": "esri"}], "created": "2026-10-26T19:24:23.680208+00:00", "updated": "2026-10-26T19:24:23.680254+00:00", "vendors": ["esri", "esri$PRODUCT$arcgis_server"]}