{"id":"CVE-2026-109332","title":"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","summary":"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 …","severity":"low","cvss":3.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","cwe":["CWE-346"],"vendor":"Jovancoding","product":"Network-AI","affected":["Network-AI < 5.15.2"],"published":"2026-10-12","updated":"2026-10-15","sourceUpdated":"2026-10-15T03:17:09.490","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109332","references":[{"url":"https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-4pvg-m42h-c3x2","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/network-ai-before-5.15.2-cors-origin-validation-error-in-mcp-sse-transport","label":"disclosure@vulncheck.com"},{"url":"https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-4pvg-m42h-c3x2","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00143,"epssPercentile":0.03617,"ingestedAt":"2026-10-12T18:00:08.205Z","exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T02:48:05.148647Z"},"slug":"CVE-2026-109332","body":"## Overview\n\nNetwork-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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":29,"depthScoreParts":{"impact":17.1,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":222046,"id":"CVE-2026-109332","ts":1792043625544,"field":"exploit_available","old":"false","new":"true"}]}