CVE-2026-13019
CWE-640Published: July 7, 2026· Updated: Jul 9, 2026
Official Description
Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes have a missing authentication for critical function vulnerability allows a remote, unauthenticated attacker to access an unprotected API.
Risk Analysis
This critical vulnerability in Esri Portal for ArcGIS allows a remote, unauthenticated attacker to access an unprotected API. The flaw is due to missing authentication for a critical function. With a CVSS score of 9.8, this poses a severe risk of unauthorized access and potential compromise of the system.
Currently, there are no public exploits known for this vulnerability. However, it is remotely exploitable without authentication.
Upgrade Esri Portal for ArcGIS to versions later than 12.1. Ensure all API endpoints are properly secured with authentication mechanisms.
Technical Analysis
CVE-2026-13019 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (1)
Quick Facts
Related CVEs (CWE-640)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-13019 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts