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High · 8.7 CVE-2026-27818 EUVD-2026-8783GHSA-w789-49fc-v8hr

TerriaJS-Server has a domain validation bypass vulnerability in its proxy allowlist

Published Feb 26, 2026 · Updated Feb 26, 2026 · Assigned by GitHub_M

Description

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.

Affected products

VendorProductAffectedFixed
TerriaJS terriajs-server < 4.0.3 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm terriajs-server < 4.0.3 4.0.3 GHSA-w789-49fc-v8hr

References