{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2812","assignerOrgId":"cedc17bb-4939-4f40-a1f4-30ae8af1094e","state":"PUBLISHED","assignerShortName":"Esri","dateReserved":"2026-02-19T16:37:22.095Z","datePublished":"2026-05-20T17:47:40.451Z","dateUpdated":"2026-05-20T19:30:36.857Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","platforms":["Windows","Linux"],"product":"ArcGIS Server","vendor":"Esri","versions":[{"lessThanOrEqual":"12.0","status":"affected","version":"11.1","versionType":"custom"}]}],"datePublic":"2026-05-06T17:47:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"ArcGIS Server contains an improper authentication vulnerability in an undocumented administrative endpoint. An unauthenticated attacker could exploit this issue by sending a crafted request to the endpoint. Successful exploitation may result in disruption of the web-based browsing interface. This issue affects ArcGIS Server 12.0 and earlier."}],"value":"ArcGIS Server contains an improper authentication vulnerability in an undocumented administrative endpoint. An unauthenticated attacker could exploit this issue by sending a crafted request to the endpoint. Successful exploitation may result in disruption of the web-based browsing interface. This issue affects ArcGIS Server 12.0 and earlier."}],"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-287","description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"cedc17bb-4939-4f40-a1f4-30ae8af1094e","shortName":"Esri","dateUpdated":"2026-05-20T17:47:40.451Z"},"references":[{"url":"https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin"}],"source":{"defect":["BUG-000182852"],"discovery":"UNKNOWN"},"title":"Improper Authentication issue in ArcGIS Server","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-20T19:30:27.592167Z","id":"CVE-2026-2812","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"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":"2026-05-20T19:30:36.857Z"}}]}}