CVE-2026-19298: CWE-94 Improper Control of Generation of Code ('Code Injection') in IBM Langflow OSS

CVE-2026-19298 affects IBM Langflow OSS versions 1.0.0 through 1.11.2. The vulnerability arises from an authorization bypass in the flow build process, enabling a remote attacker with authentication privileges to execute arbitrary code on the affected system. The vulnerability is classified under CWE-94 (Improper Control of Generation of Code). The CVSS 3.1 vector indicates network attack vector, low attack complexity, requires privileges, no user interaction, and impacts confidentiality, integrity, and availability with high severity.

A remote authenticated attacker can bypass authorization controls in the flow build process to execute arbitrary code, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability of the affected system.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the current data. Until a patch is available, restrict access to the flow build process to trusted users only and monitor for suspicious activity related to authorization bypass attempts.