{"id":"CVE-2026-109332","published":"2026-10-12T17:17:29.020","lastModified":"2026-10-15T03:17:09.490","description":"Network-AI (npm network-ai) before 5.15.2 contains an origin validation error in McpSseServer._handleRequest in lib/mcp-transport-sse.ts that reflects localhost Origins into Access-Control-Allow-Origin regardless of bind interface. When the server binds a non-loopback address, an attacker page with a localhost Origin visited by a victim can read unauthenticated endpoints like /health cross-origin.","cvssScore":3.1,"cvssSeverity":"LOW","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","cwes":["CWE-346"],"vendors":[],"products":[],"references":[{"url":"https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-4pvg-m42h-c3x2","tags":[]},{"url":"https://www.vulncheck.com/advisories/network-ai-before-5.15.2-cors-origin-validation-error-in-mcp-sse-transport","tags":[]},{"url":"https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-4pvg-m42h-c3x2","tags":[]}],"exploitRefs":[{"url":"https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-4pvg-m42h-c3x2","tags":[]},{"url":"https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-4pvg-m42h-c3x2","tags":[]}],"hasPoc":true,"ai":null}