Vulnerability Details CVE-2026-27818
TerriaJS-Server is a NodeJS Express server for TerriaJS, a library for building web-based geospatial data explorers. A validation bug in versions prior to 4.0.3 allows an attacker to proxy domains not explicitly allowed in the `proxyableDomains` configuration. Version 4.0.3 fixes the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 26.7%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2026-27818
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cpe:2.3:a:terria:terriajs-server:*