CVE-2026-19303

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

State: Published
Severity: 8.1 High
Published: Sep 4, 2026
Updated: Sep 10, 2026
Reserved: Aug 7, 2026

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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.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H	ibm

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
Langflow OSSIBM	1.0.0 through 1.11.2Affected

References

https://www.ibm.com/support/pages/node/7285643vendor-advisorypatch

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