CVE-2026-34200 affects the Nhost CLI MCP server prior to version 1.41.0, where a lack of inbound authentication and strict CORS enforcement allows a malicious website to issue cross-origin requests. This vulnerability enables the invocation of privileged tools using a developer's local credentials, but only when the server is explicitly configured to listen on a network port, requiring two non-default configuration steps. Rated High with a CVSSv4 score of 7.7, the attack vector is network-based and requires user interaction, posing a significant risk to the confidentiality, integrity, and availability of the developer's environment. Currently, there is no evidence of active exploitation, public exploit code, or notable community attention for this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.41.0CPE matchmatch criteria | cpe:2.3:a:nhost:cli:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/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, 0.1 Reddit, 0.4 Bluesky, 0.2 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.6 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.