CVE-2026-17630: Langflow is affected by security vulnerabilities in Model Context Protocol features

Published Jul 31, 2026
·
Updated

IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote attacker to execute arbitrary code due to improper validation of configuration parameters.

Other sources

Langflow OSS could allow a remote attacker to execute arbitrary code due to improper validation of configuration parameters.

— IBM

Affected Software

3 affected components
IBM Langflow>=1.0.0<=1.10.3
IBM Langflow OSS<=1.0.0-1.10.3
Langflow Langflow>=1.0.0<1.11.0

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 1.11.0

Event History

Jul 31, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Aug 5, 2026
CVE Published
via MITRE·04:33 PM
Data Sourced
via MITRE·04:33 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:16 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-2026-17630?

CVE-2026-17630 has a severity rating of 7.2, classified as high.

2

How do I fix CVE-2026-17630?

To fix CVE-2026-17630, update IBM Langflow to the latest version that addresses the improper validation of configuration parameters.

3

What systems are affected by CVE-2026-17630?

CVE-2026-17630 affects IBM Langflow OSS versions 1.0.0 through 1.10.3.

4

What types of attacks are possible with CVE-2026-17630?

CVE-2026-17630 could allow remote attackers to execute arbitrary code due to the security vulnerability.

5

When was CVE-2026-17630 published?

CVE-2026-17630 was published on August 5, 2026.

Company

Resources

Contact

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