CVE-2026-9205

Langflow is affected by weaknesses in secret handling and sensitive configuration access

Published Aug 5, 2026 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Description
IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensure_fernet_key() function.

Remediation

Vendor Solution

IBM recommends upgrading to Langflow OSS 1.11.0 or newer https://github.com/langflow-ai/langflow/releases

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-jxw3-mjmx-3pqm Langflow: Weak Fernet Key via random.seed()
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensure_fernet_key() function.
Title Langflow is affected by weaknesses in secret handling and sensitive configuration access
First Time appeared Ibm
Ibm langflow Oss
Weaknesses CWE-338
CPEs cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:langflow_oss:1.10.3:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm langflow Oss
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Aug 7, 2026, 12:56 PM
Reserved
May 21, 2026, 4:40 PM
Status
Analyzed
Published
Aug 5, 2026, 7:17 PM
Modified
Oct 24, 2026, 1:10 PM