CVE-2026-27818 is a domain validation bypass vulnerability affecting TerriaJS-Server versions prior to 4.0.3. This flaw allows an unauthenticated attacker to proxy domains not explicitly permitted in the server's configuration. With a CVSS score of 7.5 (HIGH), the vulnerability has a low attack complexity and can lead to high integrity impact, though confidentiality and availability are not directly affected. There is currently no evidence of active exploitation, and no public exploit code or Metasploit modules are available. Community discussion is minimal, with only one mention identified.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.0.3CPE matchmatch criteria | cpe:2.3:a:terria:terriajs-server:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.