CVE-2026-7646

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

6.5

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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 allows users to read arbitrary files from the server filesystem, including other users' uploaded documents, the JWT signing secret, the SQLite database, and process environment variables, by sending a crafted MCP `resources/read` request with a URL-encoded path traversal sequence in the filename.

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/7282147

Source: psirt@us.ibm.com

Vendor Advisory

Timeline

No history available yet.