CVE-2026-6543

Name: CVE-2026-6543
Creator: NVD / NIST
Published: 2026-04-30T22:16:26.467+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2026-6543 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.47%

37.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Langflow	Langflow Desktop	>= 1.0.0, <= 1.8.4

References

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

Timeline

Published: Apr 30, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-6543?

How severe is CVE-2026-6543?

CVE-2026-6543 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2026-6543?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-6543?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST