CVE-2026-27818

Summary

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 Software

VendorProductVersion RangeStatus
TerriaJSterriajs-server< 4.0.3affected

Weaknesses

  • CWE-20: CWE-20: Improper Input Validation
  • CWE-918: CWE-918: Server-Side Request Forgery (SSRF)

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References