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.
History

Wed, 04 Mar 2026 21:15:00 +0000

Type Values Removed Values Added
First Time appeared Terria
Terria terriajs-server
CPEs cpe:2.3:a:terria:terriajs-server:*:*:*:*:*:node.js:*:*
Vendors & Products Terria
Terria terriajs-server
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}


Fri, 27 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 26 Feb 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Terriajs
Terriajs terriajs-server
Vendors & Products Terriajs
Terriajs terriajs-server

Thu, 26 Feb 2026 00:15:00 +0000

Type Values Removed Values Added
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.
Title TerriaJS-Server has a domain validation bypass vulnerability in its proxy allowlist
Weaknesses CWE-20
CWE-918
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-02-26T00:02:45.127Z

Updated: 2026-02-26T15:16:30.580Z

Reserved: 2026-02-24T02:32:39.799Z

Link: CVE-2026-27818

cve-icon Vulnrichment

Updated: 2026-02-26T15:16:24.616Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-26T00:16:26.653

Modified: 2026-03-04T21:12:51.720

Link: CVE-2026-27818

cve-icon Redhat

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