CVE-2026-13019 Missing Authentication
Remote unauthenticated attackers can access unprotected APIs in Esri Portal for ArcGIS, potentially exposing sensitive data or bypassing security controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-13019?
CVE-2026-13019 is a critical missing authorization vulnerability in Esri Portal for Arcgis, published on 7 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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. The following versions are known to be affected: Portal for ArcGIS 12.1 and earlier. Other unsupported versions may also be affected. Esri recommends that users apply the Portal for ArcGIS Security 2026 Update 2 Patch to remediate this vulnerability.
Weakness: CWE-640
Which versions are affected by CVE-2026-13019?
It affects 1 product.
Products include Esri Portal for Arcgis.
How do I fix CVE-2026-13019?
No fix has been published for CVE-2026-13019 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-13019 being exploited?
There is no known exploitation of CVE-2026-13019 in the wild and no public exploit code.
Other vulnerabilities in Esri Portal for Arcgis
- CVE-2024-25693 Portal for ArcGIS has a directory traversal vulnerability.
- CVE-2026-33518 Incorrect privilege assignment in Portal for ArcGIS
- CVE-2026-33519 Incorrect privilege assignment in Portal for ArcGIS
- CVE-2025-2538 BUG-000174336
- CVE-2025-4967 Server Side Request Forgery (SSRF) vulnerability in Portal for ArcGIS
Sources
Also known as GHSA-6rrr-4jqj-5947.