Last seen July 29, 2026

CVE-2026-59726 Remote Code Execution Vulnerability affecting AI

Evidence indicates that the affected technology is affected by remote code execution. Reported affected versions include >=0,

Technical Severity
Medium severity
Lifecycle Status

STABLE

What Happened

Evidence indicates that the affected technology is affected by remote code execution. Reported affected versions include >=0,

Why This Matters

The evidence matters to defenders using Lets Unauthenticated Attackers because it could let an attacker run code in affected environments.

Recommended Action

Upgrade to fixed version d00a0a40cd8bdbca877ac7f675f416bdc69accd1 where the affected package is present. Identify deployments of Lets Unauthenticated Attackers matching the evidenced affected versions: >=0, <d00a0a40cd8bdbca877ac7f675f416bdc69accd1.

Exposure

Recommended Response
First Seen

Jul 29, 2026 05:30

Last Seen

Jul 29, 2026 05:30

Exploitation status: UNKNOWN

Affected versions: >=0, <d00a0a40cd8bdbca877ac7f675f416bdc69accd1

Primary entities:

MCP Remote Code Execution CVE-2026-59726

Authoritative Intelligence

CVE CVE-2026-59726 Incident identifier
NVD CVSS 10.0 CRITICAL NVD
FIRST EPSS 0.005 39.3 pct
GHSA GHSA-C4HM-4H84-2CF3 GitHub advisory alias
CWE CWE-78, CWE-306, CWE-942 Weakness classification

Provider evidence: NVD, OSV, FIRST EPSS

EPSS is a vulnerability exploitation probability signal, not proof that your environment is exposed. CISA KEV means known exploitation of the vulnerability, not that your system was exploited.

Timeline

  • Incident first seen
    Jul 29, 2026 05:30

    BugSkan first recorded this incident.

  • Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory - The Hacker News
    Jul 29, 2026 05:30

    thehackernews.com · Vulnerability

Sources

Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory - The Hacker News

thehackernews.com · Jul 29, 2026 05:30

A critical vulnerability (CVE-2026-59726) in Ruflo's MCP bridge exposed unauthenticated shell command execution via default network binding (0.0.0.0:3001). This flaw enabled attackers to achieve remote code execution, steal LLM API keys, and poison AI model memory.

Open publisher source

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