MEDIUM
HTML injection vulnerability in Esri Portal for ArcGIS
Published Aug 21, 2026
4.8
MEDIUMCVSS 3.1
EPSS 0.29%
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.
Affected products
-
- Version 11.1StatusaffectedConstraints<=11.3
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Esri | Portal for ArcGIS | unaffected |
|
OR
- < 11.1
- 11.1
- 11.1
- 11.1
- 11.1
- 11.1
- 11.1
- 11.1
- 11.2
- 11.3
- 11.3
- 11.3
- 11.3
- 11.3
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (2)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-64085 Advisory
- https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin Vendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-64085 | Advisory | |
| https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin | Vendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner Esri
Published Aug 21, 2026
Updated Aug 24, 2026
Reserved Aug 3, 2026
Link CVE-2026-69237
CISA Vulnrichment
Updated Aug 24, 2026
ENISA EUVD
EUVD-2026-64085 Assigner Esri
Published Aug 21, 2026
Updated Aug 24, 2026
Exploited since n/a
Link EUVD-2026-64085