CVE-2026-78569: 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 an authenticated attacker to execute arbitrary code due to an incomplete denylist in the security scanner.

Other sources

Langflow OSS could allow an authenticated attacker to execute arbitrary code due to an incomplete denylist in the security scanner.

— 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·09:43 PM
Data Sourced
via MITRE·09:43 PM
RemedyDescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

Does exploitation require authentication?

Yes. The issue is described as requiring an authenticated attacker.

Company

Resources

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