{"id":"CVE-2026-69226","published":"2026-10-13T17:17:45.010","lastModified":"2026-10-16T15:39:43.620","description":"A flaw in Portal for ArcGIS allows unauthenticated users to create new accounts through the sharing endpoint even when self-service account registration is disabled (disableSignup=true). An attacker can bypass the intended restriction by manipulating the signup workflow, resulting in unauthorized account creation.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","cwes":["CWE-863"],"vendors":[],"products":[],"references":[{"url":"https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/september-2026-arcgis-security-bulletin","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}