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CVE-2026-3357

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

Published: Apr 8, 2026Updated: Apr 14, 2026 Sources: CVE List NVD BDUCWE-502
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.5%
Top 63.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-502

Affected Products

Langflow DesktopIBM
On-prem
Enterprise Software / itsm-monitoring
langflowlangflow
SaaS
AI / ML / ai-agent-tooling
IBM Langflow DesktopIBM Corp.
Mixed
Databases / relational
ibmcommercialUSEnterprise Softwareaka international business machines
langflowcommercialAI / MLaka langflow-base, langflow desktop, langflow
ibm corp.commercialUSDatabasesaka ibm, ibm corporation

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

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

Timeline

Published
Apr 8, 2026
Last Updated
Apr 14, 2026

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