CVE-2026-69237 HTML injection vulnerability in Esri Portal for ArcGIS
Remote attackers with admin privileges can inject arbitrary HTML into the administrative API, potentially leading to code execution or security bypass.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-69237?
CVE-2026-69237 is a low-severity cross-site scripting vulnerability in Esri Portal for Arcgis, published on 21 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 11.3 and prior that allows a remote attacker with administrative privileges to insert arbitrary HTML into an administrative API. Users working with ArcGIS Enterprise 11.1, and 11.3 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.
Weakness: CWE-79
Which versions are affected by CVE-2026-69237?
It affects 1 product.
Products include Esri Portal for Arcgis.
How do I fix CVE-2026-69237?
No fix has been published for CVE-2026-69237 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-69237 being exploited?
There is no known exploitation of CVE-2026-69237 in the wild and no public exploit code.
Other vulnerabilities in Esri Portal for Arcgis
Sources
Also known as GHSA-m7mf-cx6j-4wpj.