CVE-2026-69227CWE-306

CVE-2026-69227

Critical · published October 13, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
24.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00326 · 24.5th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-10-13T21:17Z
References (1)
https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/september-2026-arcgis-security-bulletin · [email protected]
EPSS history
Timeline
  • 15 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 13 OCT 16:03Z
    BUG-000187331 Portal for ArcGIS has a security vulnerability
    cvelistv5
  • 13 OCT 16:03Z
    BUG-000187331 Portal for ArcGIS has a security vulnerability
    cvelistv5