CVE-2026-2812

5.3 mediumEPSS 0.4%

Medium (5.3) in esri arcgis server. EPSS 0.4% chance of exploitation in the next 30 days.

ArcGIS Server contains an improper authentication vulnerability in an undocumented administrative endpoint. An unauthenticated attacker could exploit this issue by sending a crafted request to the endpoint. Successful exploitation may result in disruption of the web-based browsing interface. This issue affects ArcGIS Server 12.0 and earlier.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2026-05-20
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

Affected

esri:arcgis_server

References

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin

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