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

Published Apr 2, 2026
·
Updated

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.

Affected Software

2 affected components
IBM Langflow Desktop<=1.6.0 - 1.8.2
Langflow Langflow>=1.6.0<1.8.3

Remediation

Information

IBM recommends addressing the vulnerability now by upgrading to IBM Langflow Desktop 1.8.3 or newer  https://www.langflow.org/blog/langflow-1-8-desktop If you are already using Langflow Desktop, upgrade in the application to version 1.8.3 To install Langflow Desktop for the first time, visit Download Langflow Desktop https://langflow.org/desktop .

Event History

Apr 2, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Apr 8, 2026
CVE Published
via MITRE·12:19 AM
Data Sourced
via MITRE·12:19 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·01:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-3357?

CVE-2026-3357 has been assessed as a high severity vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2026-3357?

To fix CVE-2026-3357, update IBM Langflow Desktop to version 1.8.3 or later, which resolves the insecure deserialization issue.

3

Who is affected by CVE-2026-3357?

CVE-2026-3357 affects users of IBM Langflow Desktop versions 1.6.0 through 1.8.2.

4

What is the impact of CVE-2026-3357?

The impact of CVE-2026-3357 includes the possibility for authenticated users to execute arbitrary code on the system.

5

Is CVE-2026-3357 a local or remote vulnerability?

CVE-2026-3357 is classified as a remote vulnerability, allowing execution of code from an authenticated user remotely.

Company

Resources

Contact

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