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HIGH · 8.8

CVE-2026-3357

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 ...

Vulnerability 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 Score

8.8

HIGH

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 Products

VendorProductVersions
LangflowLangflow>= 1.6.0, < 1.8.3

Related Weaknesses (CWE)

CWE-502

References

FAQ

What is CVE-2026-3357?

CVE-2026-3357 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 ...

How severe is CVE-2026-3357?

CVE-2026-3357 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-3357?

Check the references section above for vendor advisories and patch information. Affected products include: Langflow Langflow.