CVE-2026-50096

MEDIUM 6.1CVE-2026-50096 · Published 26/10/2026 · updated 26/10/2026

In short

CVE-2026-50096 is a MEDIUM (CVSS 6.1) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.25%, higher than 16.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

Description

There is a reflected cross site scripting vulnerability in Esri Portal for ArcGIS versions 12.1 and prior which may allow a remote, unauthenticated attacker to create a crafted link which when clicked could potentially execute arbitrary JavaScript code in the victim’s browser. A patch is provided for ArcGIS Server software in General Availability and Extended support status, which includes versions 12.1, 12.0, 11.5, 11.3, and 11.1. Other versions are in mature or retired status, which are not patch eligible. Users working with unlisted versions are advised to upgrade and apply the patch.

References

esri.com/arcgis-blog/products/trust-arcgis/administration/october-2026-arcgis-security-bulletin

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