CVE-2026-6543 Authenticated Remote Code Execution Vulnerability in Langflow Code Validation Endpoint

IBM Langflow Desktop 1.0.0 through 1.8.4 Langflow allows an attacker to execute arbitrary commands with the privileges of the process running Langflow. This allows reading sensitive environment variables API keys, DB credentials, modifying files, or launching further attacks on the internal netwo...

CVE-2026-6543

CVE-2026-6543 affects IBM Langflow (OSS 1.0.0–1.8.4 and Desktop 1.0.0–1.8.4). The root cause is unsafe use of Python’s exec() in the code validation endpoint (validate_code) which fails to account for decorators, enabling an authenticated attacker to trigger arbitrary code execution with the Lang...

Security Bulletin: Authenticated Remote Code Execution Vulnerability in Langflow Code Validation Endpoint

Summary IBM Langflow Desktop contains a vulnerability in its code validation functionality where the /api/v1/validate/code endpoint uses Python's exec to process user-supplied input and fails to account for decorator execution during function definition parsing, allowing authenticated attackers t...

GHSA-4GV9-MP8M-592R Langflow Vulnerable to Privilege Escalation via CLI Superuser Creation (Post-RCE)

This vulnerability was discovered by researchers at Check Point. We are sharing this report as part of a responsible disclosure process and are happy to assist in validation and remediation if needed. Summary A privilege escalation vulnerability exists in Langflow containers where an authenticate...

Authentication Bypass

github.com/hashicorp/vault is vulnerable to authentication bypass. The vulnerability is due to the TOTP Secrets Engine code validation endpoint allowing code reuse within its validity period, which allows an attacker to replay a previously valid code to gain unauthorized access...