CVE-2026-50095

MEDIUM CVSS 3.1: 6.1 EPSS 0.25%
Updated Oct 26, 2026
Linux
Parameter Value
CVSS 6.1 (MEDIUM)
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Linux
Public PoC No

There is a stored cross site scripting issue in Esri ArcGIS Server 11.1 and earlier on Windows and Linux that in some configurations allows a remote unauthenticated attacker to store files that contain malicious code that may execute in the context of a 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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1