highCVSS 8.8NVD status: Analyzed

CVE-2026-6543

Langflow: 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.

ComponentLangflow
Severityhigh (CVSS 8.8)
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published (NVD)2026-04-30
Last modified2026-06-17
Affected versions
langflow_desktop >= 1.0.0, <= 1.8.4
Fixed insee the vendor advisory
WeaknessCWE-94
CISA KEVnot listed

NVD 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.

Does CVE-2026-6543 hit the version you run?Paste your docker-compose.yml, requirements.txt or package.json. The scanner checks your pinned versions against this CVE and every other one we track for Langflow.
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What to do

  • NVD lists no fixed version yet: follow the vendor advisory below and keep Langflow off the public internet until a fix ships.
  • Do not expose the component's API or UI to the internet without authentication in front of it.

Sources

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