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9.8

Portal for ArcGIS lets strangers reach admin functions

CVE-2026-69227 · published today
Summary

Portal for ArcGIS can be accessed without a login to some internal admin pages when certain conditions are met. This could let an attacker view or change settings that should be protected. Apply the latest update from Esri or follow their guidance to block the unauthenticated access.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
esri portal for arcgis <= 12.2
Original advisory text
BUG-000187331 Portal for ArcGIS has a security vulnerability
A flaw in Portal for ArcGIS allows unauthenticated access to certain /portaladmin/local API endpoints under specific conditions. This could enable an attacker to access administrative functionality that should require authentication.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.8 Critical
Type
CWE-306Missing Authentication for Critical Function
Timeline
Published13 Oct 2026
Updated13 Oct 2026
First seen13 Oct 2026
Sources
CVE-2026-69227 · NVD
CVE-2026-69227 · MITRE
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