CVE-2026-33519

CRITICALNVD 9.89.8—

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 20.2%
KEV: Not listed

Published

April 21, 2026

Last Modified

May 18, 2026

References (1)

psirt@esrihttps://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-266

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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Frequently asked(5)

What is CVE-2026-33519?

CVE-2026-33519 is a critical vulnerability published on April 21, 2026. 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.

When was CVE-2026-33519 disclosed?

CVE-2026-33519 was first published in the National Vulnerability Database on April 21, 2026, with the most recent update on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-33519 actively exploited?

CVE-2026-33519 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-33519?

CVE-2026-33519 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2026-33519?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-33519, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-33519

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-33519?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)