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Vulnerabilities

Vulnerability · CVE-2026-33519

An incorrect authorization vulnerability exists in Esri Portal for ArcGIS 11.4, 11.5 and 12.0 on Windows, Linux and Kubernetes that did not correctly check permissions…

Published Apr 21, 2026 · catalog updated Jun 17, 2026 · portal for arcgis

Check if you run it

No confirmed exploitation is on record for CVE-2026-33519. EPSS is 0.48%. Act only if a listed version of portal for arcgis is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.48%
Remediation
Advisory link
Affected products
cpe esri/portal for arcgis

An incorrect authorization vulnerability exists in Esri Portal for ArcGIS 11.4, 11.5 and 12.0 on Windows, Linux and Kubernetes that did not correctly check permissions assigned to developer credentials.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe esri/portal for arcgis11.4
  • cpe esri/portal for arcgis11.5
  • cpe esri/portal for arcgis12.0

How to fix CVE-2026-33519

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-33519. EPSS is 0.48%. Act only if a listed version of portal for arcgis is installed.

Which versions are affected?

Compare what you have installed with esri/portal for arcgis 11.4; esri/portal for arcgis 11.5; esri/portal for arcgis 12.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-266. EPSS 0.48%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 21, 2026 · NIST NVD

    Detected

    An incorrect authorization vulnerability exists in Esri Portal for ArcGIS 11.4, 11.5 and 12.0 on Windows, Linux and Kubernetes that did not correctly check permissions assigned to developer credentials.

  2. Jun 17, 2026 · NIST NVD

    Updated

    An incorrect authorization vulnerability exists in Esri Portal for ArcGIS 11.4, 11.5 and 12.0 on Windows, Linux and Kubernetes that did not correctly check permissions assigned to developer credentials.

Sources

  • CVE.orgVulnerability recordCVE-2026-33519

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-33519

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-2026-33519

    An incorrect authorization vulnerability exists in Esri Portal for ArcGIS 11.4, 11.5 and 12.0 on Windows, Linux and Kubernetes that did not correctly check permissions assigned to developer credentials.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.