PT-2026-66519 · Ibm · Langflow Oss

CVE-2026-12940 · Publicado 2026-07-30 · Atualizado 2026-07-30

NVD

CVSS v3.1

9.8

Crítica

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

IBM Langflow OSS 1.0.0 through 1.10.1  are vulnerable to unauthenticated remote code execution via environment variable injection in the MCP (Model Context Protocol) stdio launcher. The vulnerability exists in src/lfx/src/lfx/base/mcp/util.py where the DANGEROUS ENV VARS blocklist fails to include SHELLOPTS , BASHOPTS , and PS4 environment variables.

Correção

OS Command Injection

Enumeração de Fraquezas

CWE-78

Identificadores relacionados

CVE-2026-12940

Produtos afetados

Langflow Oss

Referências · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-12940 · Nota de Segurança
• https://ibm.com/support/pages/node/7279995 · Correção, Aviso do Fabricante