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Critical 9.8Published Oct 13, 2026

CVE-2026-69227BUG-000187331 Portal for ArcGIS has a security vulnerability

Updated under an hour ago ()

Does this affect you?

It affects Esri Portal for ArcGIS. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.33%, higher than 24% of scored CVEs.

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.

CVSS
9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-306
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
0.33% (percentile 24)
Assigned by
Esri
NVD analysis
Awaiting Analysis
Record last updated
Oct 14, 2026
First seen by InfoSec Signals
Oct 13, 2026

Affected products

Affected products
Esri Portal for ArcGIS
esri:portal_for_arcgis (from the name)
from 11.1 through 12.1
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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