CVE-2026-69233: Esri Portal for ArcGIS stored cross-site scripting

CVE-2026-69233 · Severity: medium · CVSS 5.5 · Published 2026-08-21

Esri Portal for ArcGIS is a web-based geospatial data and mapping platform used by organizations to manage and share spatial information. A stored cross-site scripting vulnerability in versions 11.5 and earlier allows authenticated administrators to inject malicious code that executes in users' browsers, potentially compromising session security and enabling credential theft or unauthorized actions on behalf of victims.

Technologies: Esri Portal For Arcgis. Vendors: Esri.

Quick answers

Is CVE-2026-69233 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-69233 being exploited in the wild.
How severe is CVE-2026-69233?
Medium severity, with a CVSS score of 5.5, published 21 August 2026.
Which products and versions are affected?
Esri Portal For Arcgis 11.5 and prior.
Is there a fix for CVE-2026-69233?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-69233 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-69233?
Check whether you run Esri Portal For Arcgis at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A stored cross-site scripting (XSS) vulnerability exists in Esri Portal for ArcGIS versions 11.5 and prior, affecting ArcGIS Enterprise 11.1, 11.3, and 11.5. The vulnerability allows a remote attacker with administrative privileges to inject malicious JavaScript that persists in the application and executes in the browsers of other users who view the affected content. This requires administrative credentials to inject the payload, but no user interaction is needed for victims to execute the malicious code. The attack can result in session hijacking, credential theft, or unauthorized actions within the Portal environment. Patches are available and users are advised to upgrade to the latest long-term support release.

Affected products

  • Esri Portal for ArcGIS 11.5 and prior

Timeline

  • 2026-08-21: disclosed

References

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