What is CVE-2026-69229?

CVE-2026-69229 is a medium-severity vulnerability in Esri Portal For Arcgis, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-08-21.

How severe is CVE-2026-69229?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Esri Portal For Arcgis

CVE-2026-69229

There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that allows a remote, authenticated attacker to insert arbitrary HTML into the Portal for ArcGIS Home application. Users working with ArcGIS Enterprise 11.1, 11.3, 11.5 and 12.0 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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-2026-69229?: CVE-2026-69229 is a medium-severity vulnerability in Esri Portal For Arcgis, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-08-21.
How severe is CVE-2026-69229?: Medium severity. CVSS v3 base score is 5.4 out of 10.