CVE-2026-81204 PUBLISHED

Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

Assigner: ibm
Reserved: 26.08.2026 Published: 10.09.2026 Updated: 10.09.2026

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote attacker to execute arbitrary code due to code injection during graph construction.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Product Status

Vendor IBM
Product Langflow OSS
Versions
  • affected from 1.0.0 to 1.11.5 (incl.)

Solutions

IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.11.6 https://pypi.org/project/langflow/

References

Problem Types

  • CWE-94 Improper Control of Generation of Code ('Code Injection') CWE