CVE-2026-3357 HIGH

CVE-2026-3357: IBM Langflow Desktop FAISS Vector Store Remote Code Execution via malicious Pickle file

Vendor Ibm
Product Langflow Desktop
Weakness CWE-502 · Unsafe deserialization
Published April 8, 2026
Last update April 8, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

IBM Langflow Desktop 1.6.0 through 1.8.2 Langflow could allow an authenticated user to execute arbitrary code on the system, caused by an insecure default setting which permits the deserialization of untrusted data in the FAISS component.

Key dates

02Disclosure timeline

April 8, 2026 CVE published
April 8, 2026 Record updated