CVE-2026-9205: Langflow is affected by weaknesses in secret handling and sensitive configuration access

Published Aug 5, 2026
·
Updated

IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensurefernetkey() function.

Affected Software

2 affected components
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 Langflow OSS to a version that resolves this vulnerability.

    Fixed in 1.11.0
  2. Compensating control

    Review and harden secret handling and sensitive configuration access in Langflow to mitigate weaknesses mentioned in the advisory while upgrading.

Event History

Aug 5, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
CVE Published
via MITRE·06:09 PM
Data Sourced
via MITRE·06:09 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·07:17 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2026-9205?

CVE-2026-9205 has a severity rating of important as it may lead to data exposure.

2

How do I fix CVE-2026-9205?

To fix CVE-2026-9205, upgrade to the latest version of IBM Langflow OSS that addresses the vulnerability.

3

What are the potential impacts of exploiting CVE-2026-9205?

Exploiting CVE-2026-9205 could potentially expose sensitive data within the IBM Langflow OSS software.

4

Is CVE-2026-9205 applicable to all versions of IBM Langflow OSS?

CVE-2026-9205 affects multiple versions of IBM Langflow OSS, specifically those released before the patch was made.

5

What kind of vulnerability is CVE-2026-9205?

CVE-2026-9205 is classified as a data exposure vulnerability within the IBM Langflow OSS software.

Contact

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