Auth bypass in Esri Portal For Arcgis

CVE-2026-69226

A flaw in Portal for ArcGIS allows unauthenticated users to create new accounts through the sharing endpoint even when self-service account registration is disabled (disableSignup=true). An attacker can bypass the intended restriction by manipulating the signup workflow, resulting in unauthorized account creation.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-69226?
CVE-2026-69226 is a medium-severity vulnerability in Esri Portal For Arcgis, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-10-13.
How severe is CVE-2026-69226?
Medium severity. CVSS v3 base score is 6.5 out of 10.