Critical Vulnerability in GeoWebServer.exe Default Connection Ports
CVE-2026-108983 represents a critical vulnerability in GeoWebServer.exe involving default connection port configurations, carrying a CVSS base score of 9.8.
CVE search metadata
CVE search record: CVE-2026-108983. Severity: critical. CVSS: 9.8. KEV: no. Product: GeoWebServer. Brief: Critical Vulnerability in GeoWebServer.exe Default Connection Ports. Brief link: https://feed.craftedsignal.io/briefs/2026-10-geowebserver-vulnerability/
CVE-2026-108983 is a critical vulnerability identified in the GeoWebServer.exe process, which is responsible for web server functionality. The vulnerability is tied to the management of default connection ports, which may expose the service to unauthorized remote access or control. With a CVSS v3.1 base score of 9.8, the vulnerability indicates a high potential for severe impact, likely involving unauthenticated remote code execution or complete system compromise. Organizations utilizing GeoWebServer must immediately review network listener configurations and implement strict access control policies at the perimeter and host level to mitigate the exposure of these default ports until further remediation details are provided by the vendor.
Impact
The vulnerability carries a CVSS score of 9.8, characterizing it as critical. Successful exploitation could allow unauthenticated remote attackers to gain unauthorized access to the underlying host or disrupt services provided by the web server. While specific victim sectors are not provided, any organization running the affected service on publicly accessible network infrastructure is at high risk of compromise if the default configurations remain unmodified.
Recommendation
Prioritized actions for security teams:
- Identify all hosts running 'GeoWebServer.exe' across the environment using endpoint inventory or EDR telemetry.
- Review network connection logs to identify inbound traffic targeting default web server ports used by this process.
- Apply strict ingress firewall rules to restrict access to GeoWebServer ports to known, trusted IP addresses only.
- Monitor for unauthorized modification of service configuration files or registry keys associated with the GeoWebServer service.
Immediate actions
Inventory all systems running GeoWebServer.exe
Restrict inbound network access to GeoWebServer ports via firewall
Mitigations
Apply vendor-supplied patches or configuration hardening for GeoWebServer
CVE-2026-108983