# CVE-2026-59726

## Summary

- **CVE ID:** CVE-2026-59726
- **Severity:** CRITICAL
- **CVSS Score:** 10 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
- **CWE:** CWE-78, CWE-306, CWE-942
- **Published:** Jul 9, 2026
- **Last Modified:** Jul 10, 2026

## 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.

## Affected Products

- ruvnet — ruflo (< 3.16.3)

## References

- [CNA](https://github.com/ruvnet/ruflo/security/advisories/GHSA-c4hm-4h84-2cf3)
- [CNA](https://github.com/ruvnet/ruflo/pull/2521)
- [CNA](https://github.com/ruvnet/ruflo/commit/d00a0a40cd8bdbca877ac7f675f416bdc69accd1)
- [CNA](https://github.com/ruvnet/ruflo/releases/tag/v3.16.3)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 6.88%
- **EPSS Percentile:** 93.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._