CVE-2026-18729

Langflow is affected by multiple remote code execution vulnerabilities due to insufficient code-execution policy enforcement

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute arbitrary code due to improper control of generation of code.

Affected

IBM · Langflow OSS

CVSS v3.1 IBM

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

EPSS

1.78% chance of exploitation in the next 30 days, 78th percentile

Published

2026-08-28

Updated

2026-09-01

Proof-of-concept exploits (1)

• rmhowe425/POC-CVE-2026-187291★ · 2026-08-30

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/langflow_auth_rce_cve…

Security advisories

• https://www.ibm.com/support/pages/node/7284733

References

• CVE Record
• NVD entry

Related

• CVE-2025-11201
• CVE-2025-68613
• CVE-2026-0768
• CVE-2026-0769
• CVE-2026-10134
• CVE-2026-19286