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CVE-2026-9181

Esri Arcgis Server path traversal

9.8 CRITICALEPSS 1.22%
  1. Published6 Jul 2026

Description

Esri ArcGIS Server contains a directory traversal vulnerability. ArcGIS Enterprise on Kubernetes is not impacted. An unauthenticated attacker could exploit this issue by sending crafted path parameters. Successful exploitation could allow overwriting sensitive files on the system. Abuse of this issue can allow full administrative access to ArcGIS Server, with high impact to confidentiality, integrity, and availability. This issue impacts all versions of ArcGIS Server on Windows and Linux 12.0 and prior. This issue does not impact ArcGIS Enterprise for Kubernetes.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Esri Arcgis Server≤ 12.0

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-9181 being actively exploited?

CVE-2026-9181 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.22%.

How severe is CVE-2026-9181?

CVE-2026-9181 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.22% probability of exploitation.

Which products are affected by CVE-2026-9181?

Affected products include Esri Arcgis Server.

How do I fix CVE-2026-9181?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-9181 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.