CVE-2026-27818

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/26/2026

Last Modified3/4/2026

Sourcenvd

Honeypot Sightings0

Affected Products

terria:terriajs-server

Weaknesses (CWE)

CWE-20CWE-918

References

https://github.com/TerriaJS/terriajs-server/commit/3aaa5d9717162b245ae4569232bbe7d8673c913f(security-advisories@github.com)

https://github.com/TerriaJS/terriajs-server/security/advisories/GHSA-w789-49fc-v8hr(security-advisories@github.com)

IOC Correlations

No correlations recorded

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