Quick answers
- Is CVE-2026-69229 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-69229 being exploited in the wild.
- How severe is CVE-2026-69229?
- Medium severity, with a CVSS score of 5.4, published 21 August 2026.
- Which products and versions are affected?
- Esri Portal For Arcgis 12.0 and prior.
- Is there a fix for CVE-2026-69229?
- 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-2026-69229 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-69229?
- 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
This is an HTML injection (a form of reflected or stored cross-site scripting) vulnerability in the Portal for ArcGIS Home application. The vulnerability exists in versions 12.0 and prior, affecting ArcGIS Enterprise releases 11.1, 11.3, 11.5, and 12.0. The attack requires an authenticated attacker with access to the portal; there are no known preconditions around network accessibility beyond standard portal access. An attacker can inject arbitrary HTML to modify page content viewed by other users. A patch is available, and users are advised to upgrade to the latest long-term support release.
Affected products
- Esri Portal for ArcGIS 12.0 and prior
Timeline
- 2026-08-21: disclosed