CVE-2026-57496

creationtimestamp| type| source ---|---|--- 2026-07-21 14:35:14+00:00| published-proof-of-concept| https://github.com/Labs64/NetLicensing-MCP/security/advisories/GHSA-hxpf-9xvq-wph8 2026-07-23 17:06:05+00:00| seen| https://bsky.app/profile/stackflag.bsky.social/post/3mrdd4qyqvr2a...

Authentication Bypass

netlicensing-mcp is vulnerable to Authentication Bypass. The vulnerability is due to the API key middleware failing to enforce authentication and falling back to the server operator's API key, which allows an unauthenticated attacker to invoke privileged MCP operations under the operator's identi...