What is CVE-2026-69236?

CVE-2026-69236 is a medium-severity vulnerability in Esri Portal For Arcgis, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-08-21.

How severe is CVE-2026-69236?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Esri Portal For Arcgis

CVE-2026-69236

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 12.1 and prior that may allow a remote, privileged attacker to inject malicious code that could potentially execute arbitrary JavaScript in a victim’s browser. Users working with ArcGIS Enterprise 11.1, 11.3, 11.5, 12.0 or 12.1 are encouraged to patch. All users are advised to upgrade to the latest long-term support release and apply the patch.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Esri Portal For Arcgis

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

psirt@esri.com

Frequently asked questions

What is CVE-2026-69236?: CVE-2026-69236 is a medium-severity vulnerability in Esri Portal For Arcgis, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-08-21.
How severe is CVE-2026-69236?: Medium severity. CVSS v3 base score is 6.1 out of 10.