High · 7.5 CVE-2026-19300 EUVD-2026-71271GHSA-7q3j-6q3j-ppwc

Langflow is vulnerable to information disclosure due to cross-user MCP tool cache collision and incomplete secret scrubbing on public flows

Published Sep 4, 2026 · Updated Sep 4, 2026 · Assigned by ibm

Description

IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote attacker to obtain sensitive information due to incomplete scrubbing of sensitive credential fields.

Affected products

Vendor	Product	Affected	Fixed
IBM	Langflow OSS	1.0.0 – ≤ 1.11.2	—

Advisories 1

WID-SEC-2026-3096 Langflow OSS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 14, 2026

References

https://www.ibm.com/support/pages/node/7285642 vendor-advisory patch