{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102610", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-29T14:18:02.921Z", "datePublished": "2026-11-06T20:55:55.852Z", "dateUpdated": "2026-11-06T20:55:55.852Z"}, "containers": {"cna": {"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", "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-306", "lang": "en", "description": "CWE-306: Missing Authentication for Critical Function", "type": "CWE"}]}], "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"}}], "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"}], "affected": [{"vendor": "evalstate", "product": "fast-agent", "versions": [{"version": "< 0.7.21", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-06T20:55:55.852Z"}, "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."}], "source": {"advisory": "GHSA-9vhv-g5hf-m7m7", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "fast-agent", "vendor": "evalstate", "versions": [{"status": "affected", "version": "< 0.7.21"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "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."}], "id": "CVE-2026-102610", "lastModified": "2026-11-06T21:17:05.677", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 0.5, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-06T21:17:05.677", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/evalstate/fast-agent/commit/ba99f89c3ec7f1ef1c8b1ebce381c12b60dfea29"}, {"source": "security-advisories@github.com", "url": "https://github.com/evalstate/fast-agent/pull/828"}, {"source": "security-advisories@github.com", "url": "https://github.com/evalstate/fast-agent/releases/tag/v0.7.21"}, {"source": "security-advisories@github.com", "url": "https://github.com/evalstate/fast-agent/security/advisories/GHSA-9vhv-g5hf-m7m7"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}, {"lang": "en", "value": "CWE-306"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}