HOMEVULNERABILITIESCVE-2026-13019
CRITICAL

CVE-2026-13019

CWE-640Published: July 7, 2026· Updated: Jul 9, 2026

9.8
CVSS v3.1
EPSS:0.41%probability of exploitation in 30 daysPercentile:32.9th

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.

NVD Source

Risk Analysis

This critical vulnerability in Esri Portal for ArcGIS allows a remote, unauthenticated attacker to access an unprotected API. The flaw is due to missing authentication for a critical function. With a CVSS score of 9.8, this poses a severe risk of unauthorized access and potential compromise of the system.

Currently, there are no public exploits known for this vulnerability. However, it is remotely exploitable without authentication.

Recommended Action

Upgrade Esri Portal for ArcGIS to versions later than 12.1. Ensure all API endpoints are properly secured with authentication mechanisms.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2026-13019 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

esri1 product(s)
portal for arcgis
Kubernetes1 product(s)
kubernetes
Linux1 product(s)
linux kernel
Microsoft1 product(s)
windows
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (1)

Quick Facts

CVE IDCVE-2026-13019
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-640
CISA KEVNo
EPSS (30d)0.41%
Affected4 vendor(s)
PublishedJul 7, 2026

Related CVEs (CWE-640)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-13019 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.