CVE-2026-3357

HIGH 8.8

IBM Langflow Desktop FAISS Vector Store Remote Code Execution via malicious Pickle file

CVSS Score

8.8

EPSS Score

0.1%

EPSS Percentile

22th

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.

CWE	CWE-502
Vendor	ibm
Product	langflow desktop
Published	Apr 8, 2026
Last Updated	Apr 8, 2026

Stay Ahead of the Next One

Get instant alerts for ibm langflow desktop

Be the first to know when new high vulnerabilities affecting ibm langflow desktop are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

IBM / Langflow Desktop

1.6.0 ≤ 1.8.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

ibm.com: https://www.ibm.com/support/pages/node/7268428

Credits

This vulnerability was reported to IBM by Weblover.