CVE-2026-69237CWE-79cross-site-scripting

CVE-2026-69237

Low · published August 22, 2026

CVSS v3.1
3.8
EPSS
0%
Percentile
20.3
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
3.8 · LOW
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00289 · 20.3th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-22T01:17Z
Affected products (14)
ProductVersionsFixed in
esri/portal_for_arcgis< 11.111.1
esri/portal_for_arcgisall versions—
esri/portal_for_arcgisall versions—
esri/portal_for_arcgisall versions—
esri/portal_for_arcgisall versions—
esri/portal_for_arcgisall versions—
esri/portal_for_arcgisall versions—
esri/portal_for_arcgisall versions—
esri/portal_for_arcgisall versions—
esri/portal_for_arcgisall versions—
esri/portal_for_arcgisall versions—
esri/portal_for_arcgisall versions—
esri/portal_for_arcgisall versions—
esri/portal_for_arcgisall versions—
References (1)
https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin · [email protected]
EPSS history
Timeline
  • 21 AUG 20:53Z
    HTML injection vulnerability in Esri Portal for ArcGIS
    cvelistv5