CVE-2026-69228

missing authentication vulnerability in Esri Portal for ArcGIS

State: Published
Severity: 5.3 Medium
Published: Aug 21, 2026
Updated: Aug 24, 2026
Reserved: Aug 3, 2026

Description

There is a missing authentication vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that may allow a remote, unauthenticated attacker to access a specific resource (not user content) that should only be accessible by authenticated users. Users working with ArcGIS Enterprise 11.1, 11.3, 11.5, or 12.0 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	Esri

Weaknesses

CWE-306 Missing Authentication for Critical Function

Affected Products

Product	Versions
Portal for ArcGISEsri	11.1 through 12.0Affected

References

https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin

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