CVE Watch15 jul 2026

CVE-2026-31236

The llm CLI tool thru 0.27.1 contains a critical code injection vulnerability via its --functions command-line argument. This argument is in

CVSS

9.8

Crítico

EPSS

0.3%

p26

KEV

—

Exploit Today

0-100

Publicado: 12 may 2026 · Última mod.: 15 jul 2026 · CWE-94

EPSS · 30d

0.3%EPSS · 30 días0.3%

2026-08-172026-09-14

Descripción técnica

The llm CLI tool thru 0.27.1 contains a critical code injection vulnerability via its --functions command-line argument. This argument is intended to allow users to provide custom Python function definitions. However, the tool directly executes the provided code using the unsafe exec() function without any sanitization, sandboxing, or security restrictions. An attacker can exploit this by crafting a malicious llm command with arbitrary Python code in the --functions argument and using social engineering to trick a victim into running it. This leads to arbitrary code execution on the victim's system, potentially granting the attacker full control.

Referencias oficiales

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