{"id":"CVE-2026-59726","state":"PUBLISHED","title":"Ruflo: Unauthenticated RCE in MCP bridge default docker-compose deployment","description":"Ruflo is an agent meta-harness for Claude Code and Codex. Prior to 3.16.3, ruflo's default docker-compose deployment exposed the MCP bridge POST /mcp and POST /mcp/:group endpoints without authentication, allowing an unauthenticated network attacker to invoke tools/call to terminal_execute, obtain a shell in the bridge container, read provider API keys, and poison AgentDB learning-store patterns. This issue is fixed in version 3.16.3.","publishedAt":"2026-07-09T17:31:20.627Z","updatedAt":"2026-07-09T18:43:24.749Z","severity":{"score":10,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["ruvnet ruflo"],"affected":[{"vendor":"ruvnet","product":"ruflo","versions":[{"version":"< 3.16.3","status":"affected"}]}],"references":["https://github.com/ruvnet/ruflo/security/advisories/GHSA-c4hm-4h84-2cf3","https://github.com/ruvnet/ruflo/pull/2521","https://github.com/ruvnet/ruflo/commit/d00a0a40cd8bdbca877ac7f675f416bdc69accd1","https://github.com/ruvnet/ruflo/releases/tag/v3.16.3"],"weaknesses":["CWE-78","CWE-306","CWE-942"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/59xxx/CVE-2026-59726.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59726","state":"PUBLISHED","datePublished":"2026-07-09T17:31:20.627Z","dateUpdated":"2026-07-09T18:43:24.749Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-06T15:34:16.917Z"},"containers":{"cna":{"title":"Ruflo: Unauthenticated RCE in MCP bridge default docker-compose deployment","descriptions":[{"lang":"en","value":"Ruflo is an agent meta-harness for Claude Code and Codex. Prior to 3.16.3, ruflo's default docker-compose deployment exposed the MCP bridge POST /mcp and POST /mcp/:group endpoints without authentication, allowing an unauthenticated network attacker to invoke tools/call to terminal_execute, obtain a shell in the bridge container, read provider API keys, and poison AgentDB learning-store patterns. This issue is fixed in version 3.16.3."}],"affected":[{"vendor":"ruvnet","product":"ruflo","versions":[{"version":"< 3.16.3","status":"affected"}]}],"references":[{"url":"https://github.com/ruvnet/ruflo/security/advisories/GHSA-c4hm-4h84-2cf3","name":"https://github.com/ruvnet/ruflo/security/advisories/GHSA-c4hm-4h84-2cf3","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/ruvnet/ruflo/pull/2521","name":"https://github.com/ruvnet/ruflo/pull/2521","tags":["x_refsource_MISC"]},{"url":"https://github.com/ruvnet/ruflo/commit/d00a0a40cd8bdbca877ac7f675f416bdc69accd1","name":"https://github.com/ruvnet/ruflo/commit/d00a0a40cd8bdbca877ac7f675f416bdc69accd1","tags":["x_refsource_MISC"]},{"url":"https://github.com/ruvnet/ruflo/releases/tag/v3.16.3","name":"https://github.com/ruvnet/ruflo/releases/tag/v3.16.3","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"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"}]},{"descriptions":[{"cweId":"CWE-942","lang":"en","description":"CWE-942: Permissive Cross-domain Policy with Untrusted Domains","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-09T17:31:20.627Z"},"source":{"advisory":"GHSA-c4hm-4h84-2cf3","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T18:43:19.456381Z","id":"CVE-2026-59726","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-09T18:43:24.749Z"}}]}}}