CVE-2026-7658

Published: Aug 5, 2026Modified: Aug 6, 2026

6.5

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploitability: 2.8 / Impact: 3.6

Source: psirt@us.ibm.com (Secondary)

Description

IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate the username field, allowing attackers to inject path traversal sequences and bypass containment checks. This enables multiple severe impacts, including arbitrary directory deletion, cross-tenant data destruction, and JWT signing key deletion leading to session invalidation.

Affected (1)

Products: Langflow: Langflow

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Langflow Langflow	From 1.0.0 to 1.11.0

Related CWEs

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

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (1)

https://www.ibm.com/support/pages/node/7282647

Source: psirt@us.ibm.com

Vendor Advisory

Timeline

No history available yet.