CVE-2026-8470: Langflow is affected by weaknesses in secret handling and sensitive configuration access

Published Aug 5, 2026
·
Updated

IBM Langflow OSS 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 use Python's non-cryptographic random module for generating Fernet encryption keys from user secrets under 32 characters. The deterministic Mersenne Twister PRNG produces identical keys for identical seeds, allowing attackers to reproduce encryption keys and decrypt stored API keys and authentication tokens.

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 IBM Langflow OSS to a version that resolves this vulnerability.

    Fixed in 1.11.0

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·06:11 PM
Data Sourced
via MITRE·06:11 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-2026-8470?

CVE-2026-8470 has a risk score of 37, indicating a moderate vulnerability.

2

How do I fix CVE-2026-8470?

To fix CVE-2026-8470, ensure that you update IBM Langflow OSS to the latest version that addresses this vulnerability.

3

What software is affected by CVE-2026-8470?

CVE-2026-8470 affects IBM Langflow OSS, which utilizes Python's non-cryptographic features.

4

What are the implications of exploiting CVE-2026-8470?

Exploiting CVE-2026-8470 could lead to potential data compromise due to the use of non-cryptographic software.

5

When was CVE-2026-8470 published?

CVE-2026-8470 was published on August 5, 2026.

Contact

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