High · 8.1 CVE-2026-19303 EUVD-2026-71596GHSA-8jqr-ww88-m5p2

Langflow is vulnerable to arbitrary file write and arbitrary file deletion due to unvalidated paths in file-processing components

Published Sep 4, 2026 · Updated Sep 10, 2026 · Assigned by ibm

Description

IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to delete arbitrary local files or directories due to improper limitation of a pathname to a restricted directory.

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/7285643 vendor-advisory patch