Quick answers
- Is CVE-2026-50096 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-50096 being exploited in the wild.
- How severe is CVE-2026-50096?
- Medium severity, with a CVSS score of 6.1, published 26 October 2026.
- Which products and versions are affected?
- Esri Portal For Arcgis 12.1 and prior.
- Is there a fix for CVE-2026-50096?
- Yes: fixed in Portal for ArcGIS 12.1, 12.0, 11.5, 11.3, 11.1 (patched versions available; earlier versions in mature or retired status are not patch eligible). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-50096 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-50096?
- 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.
How to fix
- Fixed in: Portal for ArcGIS 12.1, 12.0, 11.5, 11.3, 11.1 (patched versions available; earlier versions in mature or retired status are not patch eligible)
Technical details
A reflected cross-site scripting (XSS) vulnerability exists in Portal for ArcGIS versions 12.1 and prior, allowing unauthenticated remote attackers to inject malicious JavaScript via a crafted URL. The vulnerability requires user interaction (clicking a link) to execute. Exploitation results in arbitrary script execution in the victim's browser context, potentially enabling account takeover or session hijacking. Patches are available for versions 12.1, 12.0, 11.5, 11.3, and 11.1.
Affected products
- Esri Portal for ArcGIS 12.1 and prior
Timeline
- 2026-10-26: disclosed