criticalCVSS 9.8NVD status: Analyzed

CVE-2026-7803

Langflow: IBM Langflow OSS 1.0.0 through 1.10.0 could allow arbitrary code execution due to improper validation of flow nodes with missing or empty component type fields.

ComponentLangflow
Severitycritical (CVSS 9.8)
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published (NVD)2026-06-30
Last modified2026-07-02
Affected versions
langflow >= 1.0.0, <= 1.10.0
Fixed insee the vendor advisory
WeaknessCWE-20
CISA KEVnot listed

NVD description

IBM Langflow OSS 1.0.0 through 1.10.0 could allow arbitrary code execution due to improper validation of flow nodes with missing or empty component type fields.

Does CVE-2026-7803 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.
Check my stack

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

Read more

Other Langflow CVEs

All Langflow CVEs