Is CVE-2026-6543 actively exploited?

No active exploitation of CVE-2026-6543 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-6543 be exploited remotely?

Yes. CVE-2026-6543 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-6543?

CVE-2026-6543 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2026-6543

CWE-94Published: April 30, 2026· Updated: May 1, 2026

8.8

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.0th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-6543 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.