Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Terria | Terriajs-Server | < 4.0.3 |
Related Weaknesses (CWE)
References
- https://github.com/TerriaJS/terriajs-server/commit/3aaa5d9717162b245ae4569232bbePatch
- https://github.com/TerriaJS/terriajs-server/security/advisories/GHSA-w789-49fc-vVendor Advisory
FAQ
What is CVE-2026-27818?
CVE-2026-27818 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...
How severe is CVE-2026-27818?
CVE-2026-27818 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-27818?
Check the references section above for vendor advisories and patch information. Affected products include: Terria Terriajs-Server.