Vulnerability Report

CVE-2026-3357

RCE

Title: Arbitrary Code Execution via insecure deserialization

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2026-3357.

CWE Category CWE-502

Published Date Apr 08, 2026

Modified Date Apr 14, 2026

Exploit Status Not Found

Score 8.8 CVSS v3.1

Exploit Probability (EPSS)

0.47%

Vulnerability Summary

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 untrusted data in the FAISS component.

Impacted Vendors

langflow 1

Reference Links

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

CVSS v3.1

Source Entity [email protected]

Severity HIGH

8.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-3357 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 14, 2026 MODIFIED

Vulnerability data updated via NVD.

April 14, 2026 MODIFIED

Vulnerability data updated via NVD.

April 08, 2026 MODIFIED

Vulnerability data updated via NVD.

April 08, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.