SEPTEMBER 17, 2026
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Case File

CVE-2026-85660

HIGH · CVSS 8.1 EPSS 0.47% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-04 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A command allowlist bypass vulnerability exists in cli-mcp-server version 0.2.5, specifically in the _validate_command_with_operators function when the ALLOW_SHELL_OPERATORS feature is enabled. This flaw allows attackers to execute unauthorized commands using shell command substitution syntax, undermining the intended security controls. Organizations utilizing this version of cli-mcp-server should prioritize remediation to prevent potential exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-85660
Severity
HIGH
CVSS
8.1
EPSS
0.47%

Original NVD Description

cli-mcp-server 0.2.5 contains a command allowlist bypass vulnerability in the _validate_command_with_operators function when ALLOW_SHELL_OPERATORS is enabled. Attackers can use shell command substitution syntax like $(...) or backticks to execute non-allowlisted commands that bypass the ALLOWED_COMMANDS validation check.