CVE-2026-7803: Flow Validation Bypass via Empty Component Type Field

Published Jun 29, 2026
·
Updated

IBM Langflow OSS 1.0.0 through 1.10.0 could allow arbitrary code execution due to improper validation of flow nodes with missing or empty component type fields.

Other sources

Langflow OSS could allow arbitrary code execution due to improper validation of flow nodes with missing or empty component type fields.

— IBM

Affected Software

3 affected components
IBM Langflow OSS>=1.0.0<=1.10.0
IBM Langflow OSS<=1.0.0-1.10.0
Langflow Langflow>=1.0.0<=1.10.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM Langflow OSS to a version that resolves this vulnerability.

    Fixed in 1.10.1

Event History

Jun 29, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Jun 30, 2026
CVE Published
via MITRE·07:15 PM
Data Sourced
via MITRE·07:15 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·08:17 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-7803?

The severity of CVE-2026-7803 is critical, with a CVSS score of 9.8.

2

What type of vulnerability is CVE-2026-7803?

CVE-2026-7803 is a flow validation bypass vulnerability, specifically related to empty component type fields.

3

Which software is affected by CVE-2026-7803?

CVE-2026-7803 affects IBM Langflow OSS versions 1.0.0 through 1.10.0.

4

How do I mitigate CVE-2026-7803?

To mitigate CVE-2026-7803, upgrade to the latest version of IBM Langflow OSS that addresses this vulnerability.

5

What could be the consequence of exploiting CVE-2026-7803?

Exploiting CVE-2026-7803 could allow an attacker to execute arbitrary code, leading to severe security implications.

Company

Resources

Contact

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