{"id":"CVE-2026-38924","aliases":["EUVD-2026-77175","GHSA-gx4x-gc82-v87q","GHSA-m922-r24v-6wff"],"status":"disputed","title":"In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0....","description":"In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a \"potential security hazard\" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended \"use a sandboxed environment for running Serena.\"","severity":{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00157,"percentile":0.04966,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-669"],"published":"2026-09-14T00:00:00Z","modified":"2026-10-28T02:30:28Z","products":[{"vendor":"oraios","product":"serena"},{"vendor":"oraios ai","product":"serena"}],"references":[{"url":"https://github.com/oraios/serena/commit/b00ae292ac2d49947506886f44eb1cad7b7d7cd1","tags":["fix"]},{"url":"https://github.com/oraios/serena/security/advisories/GHSA-m922-r24v-6wff","tags":["advisory"]},{"url":"https://dash.security/blog/cve-2026-38924-unauthenticated-rce-in-the-serena-mcp-server","tags":["exploit","article"]},{"url":"https://github.com/oraios/serena/compare/v0.1.4...v1.0.0","tags":["web"]},{"url":"https://github.com/oraios/serena/commit/a7af5c1f8a9ea27102eac9e72f64dd97dbfefff3","tags":["fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-38924","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-gx4x-gc82-v87q"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/38xxx/CVE-2026-38924.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-38924","description":"In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a \"potential security hazard\" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended \"use a sandboxed environment for running Serena.\"","status":"disputed","published":"2026-09-14T00:00:00Z","modified":"2026-09-14T16:32:18.787Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-669"],"updated_at":"2026-11-02T14:19:58.214427Z"}],"euvd":[{"id":"EUVD-2026-77175","description":"In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a \"potential security hazard\" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended \"use a sandboxed environment for running Serena.\"","status":"published","published":"2026-09-14T00:00:00Z","modified":"2026-09-14T16:32:18Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T17:28:20.0825Z"}],"ghsa":[{"id":"GHSA-gx4x-gc82-v87q","title":"In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0....","description":"In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a \"potential security hazard\" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended \"use a sandboxed environment for running Serena.\"","status":"published","published":"2026-09-14T03:30:22Z","modified":"2026-09-14T03:30:22Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-669"],"updated_at":"2026-11-02T15:11:47.913221Z"}],"nvd":[{"id":"CVE-2026-38924","description":"In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a \"potential security hazard\" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended \"use a sandboxed environment for running Serena.\"","status":"disputed","published":"2026-09-14T03:16:36.893Z","modified":"2026-09-22T20:00:03.713Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-669"],"updated_at":"2026-11-02T14:12:46.980627Z"}],"osv":[{"id":"CVE-2026-38924","description":"In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a \"potential security hazard\" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended \"use a sandboxed environment for running Serena.\"","status":"published","published":"2026-09-14T00:00:00Z","modified":"2026-10-28T02:30:28.454841217Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-669"],"updated_at":"2026-11-02T15:45:03.040464Z"}]}}