by Kastro
Paper/Archive/CVE-2026-69227

CVE-2026-69227

Esri Portal for ArcGIS — BUG-000187331 Portal for ArcGIS has a security vulnerability

EPSS 0.3%CVSS 9.8
critical.is priorityof 100
35
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 25.7.257 × 205.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A flaw in Portal for ArcGIS allows unauthenticated access to certain Portal Administrator API endpoints under specific conditions. This could enable an attacker to access administrative functionality that should require authentication.

Affected

ProductAffectedFixed inSource
Portal for ArcGIS11.1 – 12.1–CNA

Scores by source

Esri (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refesri.com/arcgis-blog/products/trust-arcgis/administration/september-2026-arcgis-security-bulletin