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CVE CVE-2026-27818

CVE-2026-27818

Express

Severity: HIGH
CVSS: 7.5CVSS
Published: 2026-02-26
Last modified: 2026-03-04
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE: CWE-20CWE-918

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.

References

https://github.com/TerriaJS/terriajs-server/commit/3aaa5d9717162b245ae4569232bbe7d8673c913f
https://github.com/TerriaJS/terriajs-server/security/advisories/GHSA-w789-49fc-v8hr

Summary

Description

References