Vulnerability in Jovancoding Network-Ai
CVE-2026-109332
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/Jovancoding/Network-AI/security/advisories/GHSA-4pvg-m42h-c3x2 (vendor-advisory)
- www.vulncheck.com/advisories/network-ai-before-5.15.2-cors-origin-validation-er… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-109332?
- CVE-2026-109332 is a low-severity vulnerability in Jovancoding Network-Ai, classified under Origin Validation Error. CVSS score: 3.1/10. Published 2026-10-12.
- How severe is CVE-2026-109332?
- Low severity. CVSS v3 base score is 3.1 out of 10.