Langflow is affected by remote code execution due to multiple unauthenticated and insufficiently authorized API endpoints (IBM Langflow OSS)

CVE-2026-12940
CRITICAL 9.8

En bref

Source
NVD
EPSS
EPSS 0.94 % · centile 61 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
ibm
Statut NVD
Analyzed

Description

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.

Faiblesses (CWE)

  • CWE-78 — Injection de commande système

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hibm
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · psirt@us.ibm.com (Secondary)

Références européennes

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
IBM · Langflow OSSaffected 1.0.0 ≤ 1.10.1

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD