CVE-2026-81211

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows.

  • Published Sep 10, 2026
  • CVSS 8.8 high
  • 0.5% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-81211 at the National Vulnerability Database