CVE-2026-27818

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Source
https://cve.org/CVERecord?id=CVE-2026-27818
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27818.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-27818
Aliases
Published
2026-02-26T00:02:45.127Z
Modified
2026-07-08T07:32:28.830627391Z
Severity
  • 8.7 (High) CVSS_V4 - 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 CVSS Calculator
Summary
TerriaJS-Server has a domain validation bypass vulnerability in its proxy allowlist
Details

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.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-20",
        "CWE-918"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27818.json"
}
References

Affected packages

Git / github.com/terriajs/terriajs-server

Affected ranges

Type
GIT
Repo
https://github.com/terriajs/terriajs-server
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
2689f9966c59bc28f9c4d27c49b4fd06a097dfc4
Fixed
3aaa5d9717162b245ae4569232bbe7d8673c913f
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "4.0.3"
        }
    ],
    "cpe": "cpe:2.3:a:terria:terriajs-server:*:*:*:*:*:node.js:*:*",
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

0.*
0.0.8
1.*
1.0.0
1.1.0
1.1.1
1.1.2
1.1.3
1.2.0
1.3.0
1.4.0
1.4.1
2.*
2.0.0
2.1.0
2.2.0
2.2.1
2.2.2
2.3.0
2.4.0
2.5.0
2.5.1
2.6.0
2.6.1
2.6.2
2.6.3
2.6.4
2.6.5
2.6.6
2.6.7
2.7.0
2.7.1
2.7.2
2.7.3
2.8.0
2.9.0
2.9.1
2.9.2
3.*
3.0.0
3.0.1
3.1.0
3.2.0
3.3.0
3.3.1
3.3.3
3.3.4
4.*
4.0.0
4.0.1
4.0.2
v1.*
v1.1.1
v1.1.2
v1.1.3
v1.2.0
v1.3.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27818.json"