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CVE-2026-33522medium5.3

BUG-000182936 - ArcGIS Server has a security vulnerability.

Impact

ArcGIS Server versions 11.3 to 12.0 have a security vulnerability that allows a remote, unauthenticated attacker to update service metadata. The vulnerability is due to improper authorization. A patch is available for versions 12.0, 11.5, and 11.3.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Esri · Esri

ArcGIS Server

1 range
Esri version evidence
Platforms: Windows, Linux

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affected

11.3 → before 12.0

custom versions

unaffected

unknown

Other versions: unaffected

Original source description

Esri ArcGIS Server versions 11.3 to 12.0 ONLY allows a remote, unauthenticated attacker to update service metadata. A patch is provided for ArcGIS Server software in General Availability and Extended support status, which includes versions 12.0, 11.5, and 11.3. Other versions are in mature or retired status, which are not patch eligible. Users working with unlisted versions are advised to upgrade and apply the patch.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-33522

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-285 ↗

CWE-285: Improper Authorization

Esri

Related →
Contributing organizations · 2
Esri

Assigning organization

2026-10-26
CISA-ADP

Additional data publisher

2026-10-26

What changed

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References

1 sources
www.esri.com/arcgis-blog/products/trust-arcgis/administration/october-2026-arcgis-security-bulletin
Security advisoryEsri