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CVE Vulnerability Details :
CVE-2026-27818
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-26 Feb, 2026 | 00:02
Updated At-26 Feb, 2026 | 15:16
Rejected At-
▼CVE Numbering Authority (CNA)
TerriaJS-Server has a domain validation bypass vulnerability in its proxy allowlist

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 Products
Vendor
TerriaJS
Product
terriajs-server
Versions
Affected
  • < 4.0.3
Problem Types
TypeCWE IDDescription
CWECWE-20CWE-20: Improper Input Validation
CWECWE-918CWE-918: Server-Side Request Forgery (SSRF)
Type: CWE
CWE ID: CWE-20
Description: CWE-20: Improper Input Validation
Type: CWE
CWE ID: CWE-918
Description: CWE-918: Server-Side Request Forgery (SSRF)
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
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
Version: 4.0
Base score: 8.7
Base severity: HIGH
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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/TerriaJS/terriajs-server/security/advisories/GHSA-w789-49fc-v8hr
x_refsource_CONFIRM
https://github.com/TerriaJS/terriajs-server/commit/3aaa5d9717162b245ae4569232bbe7d8673c913f
x_refsource_MISC
Hyperlink: https://github.com/TerriaJS/terriajs-server/security/advisories/GHSA-w789-49fc-v8hr
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/TerriaJS/terriajs-server/commit/3aaa5d9717162b245ae4569232bbe7d8673c913f
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found