CVE-2026-81204: Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

Published Sep 8, 2026
·
Updated

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.

Other sources

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

— IBM

Affected Software

1 affected component
IBM Langflow OSS<=1.0.0-1.11.5

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Langflow OSS to a version that resolves this vulnerability.

    Fixed in 1.11.6

Event History

Sep 8, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Sep 10, 2026
CVE Published
via MITRE·09:36 PM
Data Sourced
via MITRE·09:36 PM
RemedyDescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

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