{"api_version":"1","generated_at":"2026-11-10T10:16:03+00:00","cve":"CVE-2026-102610","urls":{"html":"https://cve.report/CVE-2026-102610","api":"https://cve.report/api/cve/CVE-2026-102610.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-102610","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-102610"},"summary":{"title":"fast-agent: `fast-agent serve` binds HTTP to 0.0.0.0 with no authentication by default; with --shell this is unauthenticated remote command execution","description":"fast-agent is a framework for building, running, and evaluating AI agents with Model Context Protocol support. Prior to 0.7.21, fast-agent serve uses HTTP transport bound to 0.0.0.0 on port 8000 without authentication, allowing any network client that can reach the /mcp endpoint to invoke the exposed agent tool. When the server is started with --shell, the agent can call the local execute tool implemented by tools/local_shell_executor.py, so an unauthenticated remote client can cause operating-system commands to run as the server user; without --shell, the client can still consume the operator's model and configured MCP tools. The defaults are defined in cli/commands/serve.py and mcp/server/agent_server.py, and the non-interactive server permission prompt does not prevent the described access. This issue is fixed in version 0.7.21.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-11-06 21:17:05","updated_at":"2026-11-06 21:17:05"},"problem_types":["CWE-78","CWE-306","CWE-78 CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","CWE-306 CWE-306: Missing Authentication for Critical Function"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"6.4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H","baseScore":6.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"6.4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H","data":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://github.com/evalstate/fast-agent/commit/ba99f89c3ec7f1ef1c8b1ebce381c12b60dfea29","name":"https://github.com/evalstate/fast-agent/commit/ba99f89c3ec7f1ef1c8b1ebce381c12b60dfea29","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/evalstate/fast-agent/security/advisories/GHSA-9vhv-g5hf-m7m7","name":"https://github.com/evalstate/fast-agent/security/advisories/GHSA-9vhv-g5hf-m7m7","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/evalstate/fast-agent/releases/tag/v0.7.21","name":"https://github.com/evalstate/fast-agent/releases/tag/v0.7.21","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/evalstate/fast-agent/pull/828","name":"https://github.com/evalstate/fast-agent/pull/828","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-102610","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102610","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"evalstate","product":"fast-agent","version":"affected < 0.7.21","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"102610","cve":"CVE-2026-102610","epss":"0.002910000","percentile":"0.218270000","score_date":"2026-11-08","updated_at":"2026-11-09 00:01:54"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"fast-agent","vendor":"evalstate","versions":[{"status":"affected","version":"< 0.7.21"}]}],"descriptions":[{"lang":"en","value":"fast-agent is a framework for building, running, and evaluating AI agents with Model Context Protocol support. Prior to 0.7.21, fast-agent serve uses HTTP transport bound to 0.0.0.0 on port 8000 without authentication, allowing any network client that can reach the /mcp endpoint to invoke the exposed agent tool. When the server is started with --shell, the agent can call the local execute tool implemented by tools/local_shell_executor.py, so an unauthenticated remote client can cause operating-system commands to run as the server user; without --shell, the client can still consume the operator's model and configured MCP tools. The defaults are defined in cli/commands/serve.py and mcp/server/agent_server.py, and the non-interactive server permission prompt does not prevent the described access. This issue is fixed in version 0.7.21."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-11-06T20:55:55.852Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/evalstate/fast-agent/security/advisories/GHSA-9vhv-g5hf-m7m7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/evalstate/fast-agent/security/advisories/GHSA-9vhv-g5hf-m7m7"},{"name":"https://github.com/evalstate/fast-agent/pull/828","tags":["x_refsource_MISC"],"url":"https://github.com/evalstate/fast-agent/pull/828"},{"name":"https://github.com/evalstate/fast-agent/commit/ba99f89c3ec7f1ef1c8b1ebce381c12b60dfea29","tags":["x_refsource_MISC"],"url":"https://github.com/evalstate/fast-agent/commit/ba99f89c3ec7f1ef1c8b1ebce381c12b60dfea29"},{"name":"https://github.com/evalstate/fast-agent/releases/tag/v0.7.21","tags":["x_refsource_MISC"],"url":"https://github.com/evalstate/fast-agent/releases/tag/v0.7.21"}],"source":{"advisory":"GHSA-9vhv-g5hf-m7m7","discovery":"UNKNOWN"},"title":"fast-agent: `fast-agent serve` binds HTTP to 0.0.0.0 with no authentication by default; with --shell this is unauthenticated remote command execution"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-102610","datePublished":"2026-11-06T20:55:55.852Z","dateReserved":"2026-09-29T14:18:02.921Z","dateUpdated":"2026-11-06T20:55:55.852Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-11-06 21:17:05","lastModifiedDate":"2026-11-06 21:17:05","problem_types":["CWE-78","CWE-306","CWE-78 CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","CWE-306 CWE-306: Missing Authentication for Critical Function"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H","baseScore":6.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":0.5,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"102610","Ordinal":"1","Title":"fast-agent: `fast-agent serve` binds HTTP to 0.0.0.0 with no aut","CVE":"CVE-2026-102610","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"102610","Ordinal":"1","NoteData":"fast-agent is a framework for building, running, and evaluating AI agents with Model Context Protocol support. Prior to 0.7.21, fast-agent serve uses HTTP transport bound to 0.0.0.0 on port 8000 without authentication, allowing any network client that can reach the /mcp endpoint to invoke the exposed agent tool. When the server is started with --shell, the agent can call the local execute tool implemented by tools/local_shell_executor.py, so an unauthenticated remote client can cause operating-system commands to run as the server user; without --shell, the client can still consume the operator's model and configured MCP tools. The defaults are defined in cli/commands/serve.py and mcp/server/agent_server.py, and the non-interactive server permission prompt does not prevent the described access. This issue is fixed in version 0.7.21.","Type":"Description","Title":"fast-agent: `fast-agent serve` binds HTTP to 0.0.0.0 with no aut"}]}}}