Vulnerability details

CVE-2026-13019

Esri Portal for ArcGIS

Missing Authentication

CVSS 3.1
9.8Critical

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.

CVSS scores

ScoreVersionSourceVector
9.8Critical 3.1 CVEProject cvelistV5 (CNA) (Esri) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
Esri Portal for ArcGIS v < 12.1 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-07-07
Last updated
2026-09-29
State
Published
Assigner (CNA)
Esri

Exploit prediction (EPSS)

0.84%
Probability of exploitation in 30 days
58.2%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-640
    Weak Password Recovery Mechanism for Forgotten Password