{"cve":"CVE-2026-50287","nvd":{"published":"2026-06-12T20:16:46.940","modified":"2026-06-17T10:57:41.743","status":"Deferred","description":"AgenticMail gives AI agents real email addresses and phone numbers. Prior to version 0.9.27, @agenticmail/mcp exposes a Streamable HTTP transport when started with --http or MCP_HTTP=1. In that mode, the /mcp endpoint accepts requests without any HTTP authentication layer. A remote client can initialize a session and call tools directly. This issue has been patched in version 0.9.27.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":8.7},"cvss_v3":null,"cwes":["CWE-306"],"references":["https://github.com/agenticmail/agenticmail/security/advisories/GHSA-63gr-g7jc-v8rg","https://github.com/agenticmail/agenticmail/security/advisories/GHSA-63gr-g7jc-v8rg"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:38:48.522727527+00:00"},"epss":{"cve":"CVE-2026-50287","score":0.00359,"percentile":0.29625,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-63gr-g7jc-v8rg","url":"https://osv.dev/vulnerability/GHSA-63gr-g7jc-v8rg","summary":"@agenticmail/mcp Missing Authentication for Critical Function","modified":"2026-09-10T03:50:48.424843856Z","packages":[{"ecosystem":"npm","name":"@agenticmail/mcp","purl":"pkg:npm/%40agenticmail/mcp","ranges":["<0.9.27"],"fixed":["0.9.27"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}