What’s Vulnerable › Vulnerabilities
CVE-2026-69228: missing authentication vulnerability in Esri Portal for ArcGIS
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-21 · updated 2026-10-12
- Weakness: CWE-306
Description
There is a missing authentication vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that may allow a remote, unauthenticated attacker to access a specific resource (not user content) that should only be accessible by authenticated users. Users working with ArcGIS Enterprise 11.1, 11.3, 11.5, or 12.0 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.
Affected products
- Esri Portal for ArcGIS: before 11.1; 11.1, 11.1-security_2024_update1, 11.1-security_2024_update2, 11.1-security_2025_update1, 11.1-security_2025_update2, 11.1-security_2025_update3 (+14) — fixed in 11.1
How to fix
Upgrade to a fixed version: Esri Portal for ArcGIS 11.1. Check the vendor advisory for mitigations.
References
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