CVE-2026-18891 — Langflow is affected by multiple authentication bypass, path traversal, authorization, and server-side request forgery vulnerabilities

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary flows and access sensitive information due to improper authentication.

Published: 2026-08-28 · CVSS: 8.2 · CVSS 3.1

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary flows and access sensitive information due to improper authentication.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7