cyfenced.com →

[ CVE-2026-10561 · Published 22 Jun 2026 ]

Langflow: PythonREPLComponent executes unsandboxed Python code, enabling authenticated RCE and privilege escalation

CVSS 10.0 EPSS <1%Fix available

[ Why it matters ]Priority signals

  • Critical severity: CVSS 10.0

[ Description ]Official description

IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined with an authentication bypass that allows an unauthenticated attacker to execute arbitrary code on the host system, resulting in complete compromise

[ Fixes ]Fixes and patches

  • langflow 1.10.1Fixed version · GitHub Advisories · pip package langflow: upgrade to 1.10.1 or later (affected < 1.10.1)

[ Packages ]Affected open-source packages

[ References ]References