{"id":"CVE-2026-13019","title":"Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes have a missing authentication for critical function vulnerability allows a remote, unauthenticated attacker to access an unprotected API","summary":"Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes have a missing authentication for critical function vulnerability allows a remote, unauthenticated attacker to access an unprotected API. The following ver…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-640"],"vendor":"esri","product":"portal_for_arcgis","affected":["portal_for_arcgis <= 12.1"],"published":"2026-07-07","updated":"2026-09-29","sourceUpdated":"2026-09-29T20:17:19.090","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-13019","references":[{"url":"https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/june-2026-arcgis-security-bulletin","label":"psirt@esri.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-07-07T00:00:00+00:00"},"epss":0.00847,"epssPercentile":0.56423,"ingestedAt":"2026-09-29T19:44:04.154Z","slug":"CVE-2026-13019","body":"## Overview\n\nEsri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes have a missing authentication for critical function vulnerability allows a remote, unauthenticated attacker to access an unprotected API. The following versions are known to be affected: Portal for ArcGIS 12.1 and earlier. Other unsupported versions may also be affected. Esri recommends that users apply the Portal for ArcGIS Security 2026 Update 2 Patch to remediate this vulnerability.\n\n## Affected\n\n- `portal_for_arcgis <= 12.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}