Quick answers
- Is CVE-2026-69237 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-69237 being exploited in the wild.
- How severe is CVE-2026-69237?
- Low severity, with a CVSS score of 3.8, published 21 August 2026.
- Which products and versions are affected?
- Esri Portal For Arcgis 11.3 and prior.
- Is there a fix for CVE-2026-69237?
- 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-2026-69237 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-69237?
- 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 (also known as stored XSS precursor) vulnerability in the administrative API of Esri Portal for ArcGIS versions 11.3 and prior. The vulnerability requires administrative privileges to exploit, limiting the attack surface to privileged users. An attacker with administrative access can inject arbitrary HTML into the API, which may be rendered in the context of other users' sessions, leading to credential theft, session hijacking, or malware distribution. The vulnerability has been publicly disclosed and affects ArcGIS Enterprise 11.1 and 11.3; users should upgrade to the latest long-term support release.
Affected products
- Esri Portal for ArcGIS 11.3 and prior
Timeline
- 2026-08-21: disclosed