CVE-2026-69229: portal for arcgis 11.1, 11.2, 11.3 (+3 more affected versions); +1 more affected products

Affected technology

portal for arcgis · before 11.1 (exclusive)
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portal for arcgis · 11.1
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portal for arcgis · 11.1 · update security_2024_update1
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portal for arcgis · 11.1 · update security_2024_update2
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portal for arcgis · 11.1 · update security_2025_update1
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portal for arcgis · 11.1 · update security_2025_update2
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portal for arcgis · 11.1 · update security_2025_update3
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portal for arcgis · 11.1 · update security_2026_update2
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portal for arcgis · 11.2
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portal for arcgis · 11.3
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portal for arcgis · 11.3 · update security_2025_update1
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portal for arcgis · 11.3 · update security_2025_update2
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portal for arcgis · 11.3 · update security_2025_update3
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portal for arcgis · 11.3 · update security_2026_update2
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portal for arcgis · 11.4
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portal for arcgis · 11.5
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portal for arcgis · 11.5 · update security_2026_update1
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portal for arcgis · 11.5 · update security_2026_update2
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portal for arcgis · 12.0
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portal for arcgis · 12.0 · update security_2026_update1
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portal for arcgis · 12.0 · update security_2026_update2
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Portal for ArcGIS · 11.1 through 12.0
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Description’s affected range: versions 12.0 and prior that

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Network (remote) · Low privileges required · User interaction required

What an attacker can do

A remote, authenticated attacker can insert arbitrary HTML into the Portal for ArcGIS Home application. Vendor/CNA’s CVSS 3.1 assessment (base score 5.4/10) rates confidentiality and integrity impact as low; availability impact as none. NVD’s CVSS 3.1 assessment (base score 5.4/10) rates confidentiality and integrity impact as low; availability impact as none.