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TI-2026-71913 Aliases CVE-2026-69226GHSA-vq46-qwv8-wvp8

Portal for ArcGIS lets unauthenticated users create accounts

Priority LOW 34CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

Esri Portal for ArcGIS versions from 0 through 12.2 contain an incorrect authorization flaw (CWE-863). The sharing endpoint lets unauthenticated users create new accounts even when self-service signup is disabled (disableSignup=true). An unauthenticated remote attacker can bypass the intended restriction by manipulating the signup workflow, creating unauthorized accounts.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Description from the CNA

A flaw in Portal for ArcGIS allows unauthenticated users to create new accounts through the sharing endpoint even when self-service account registration is disabled (disableSignup=true). An attacker can bypass the intended restriction by manipulating the signup workflow, resulting in unauthorized account creation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00179 7th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
EsriPortal for ArcGISup to 12.2—No fix listedCNA
  • Portal for ArcGIS VendorEsri Affected up to 12.2 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:esri:portal_for_arcgis:*:*:*:*:*:*:*:*——Esri
  • cpe:2.3:a:esri:portal_for_arcgis:*:*:*:*:*:*:*:* Versions — — ·Esri

Remediation

The sources list no fixed version for Portal for ArcGIS.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-69226
  2. 2026-10-13 Alias added: GHSA-vq46-qwv8-wvp8
  3. 2026-10-13 CISA SSVC decision points changed
  4. 2026-10-13 Priority changed: MEDIUM → LOW

References

  • TI-2024-16901 Portal for ArcGIS has a directory traversal vulnerability. CVSS 3.1CRITICAL 9.9
  • TI-2012-01450 ESRI ArcMap 9 and ArcGIS 10.0.2.3200 and earlier does not properly prompt users before… CVSS 2.0HIGH 9.3
  • TI-2007-01695 Buffer overflow in the ArcSDE service (giomgr) in Environmental Systems Research… CVSS 2.0HIGH 10.0
  • TI-2026-08070 Directory Traversal in ArcGIS Server CVSS 3.1CRITICAL 9.8
  • TI-2026-11074 Missing authentication in Esri Portal for ArcGIS CVSS 3.1CRITICAL 9.8
  • TI-2025-35724 BUG-000179884 - There is a security vulnerability in ArcGIS Server Feature Services. CVSS 3.1CRITICAL 10.0
See all 194 →

Sources