There is an information disclosure vulnerability in Esri Portal for ArcGIS versions 12.0 and earlier that may under difficult to reproduce circumstances allow a remote, unauthenticated attacker to reflect sensitive information in a http response body.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.5 · esriNVD modified 2026-10-12 16:10
Affected (CPE criteria) 21
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