Vulnerability Report

CVE-2026-6543

RCE

Title: Arbitrary Command Execution

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2026-6543.

CWE Category CWE-94

Published Date Apr 30, 2026

Modified Date May 11, 2026

Exploit Status Not Found

Score 8.8 CVSS v3.1

Exploit Probability (EPSS)

0.47%

Vulnerability Summary

CVE-2026-6543: IBM Langflow Desktop 1.0.0 through 1.8.4 Langflow allows an attacker to execute arbitrary commands with the privileges of the process running Langflow. This allows reading sensitive environment variables (API keys, DB credentials), modifying files, or launching further attacks on the internal network.

Impacted Vendors

langflow 1

Reference Links

https://www.ibm.com/support/pages/node/7271092

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-2026-6543 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

May 11, 2026 MODIFIED

Vulnerability data updated via NVD.

May 01, 2026 MODIFIED

Vulnerability data updated via NVD.

May 01, 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.