Is CVE-2026-3357 actively exploited?

CVE-2026-3357 has no public evidence of in-the-wild exploitation as of 2026-04-14.

What is the CVSS score for CVE-2026-3357?

CVE-2026-3357 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2026-3357?

Patch guidance is available from langflow security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-3357.

Fix CVE-2026-3357 - HIGH langflow langflow

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 Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-502 · Insecure Deserialization

Metadata

Primary Vendor: LANGFLOW
Published: 4/8/2026
Last Modified: 4/14/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-3357

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary