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CVE-2026-50096EUVD-2026-110062GHSA-6XFP-MVG8-HCFQ

BUG-000187164 - ArcGIS Server has a security vulnerability.

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 12.1
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Esri ArcGIS Server and Esri Portal for ArcGIS are affected by a reflected cross-site scripting flaw that lets an attacker trick a user into clicking a specially crafted link, which could run malicious scripts in the victim's web browser. This could allow the attacker to act within the victim's session or access information in the browser without needing to log in first.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original 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.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • Esri ArcGIS Server

    From 11.1 · fixed in 12.1

References 1

esri.com