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IBMCVE-2026-9205

IBM Langflow OSS: weak cryptography

High7.4CVE-2026-9205 · Published Aug 5, 2026 · updated Aug 7, 2026

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

IBM advisory

Affected versions

PackageAffectedFixed in
Langflow OSS
Product
>= 1.0.0, <= 1.10.3No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-338

More IBM advisories

All IBM
Advisory
IBM Langflow OSS: code injection
High8.1Aug 5
IBM Langflow OSS: code execution
High8.8Aug 5
IBM Langflow OSS: information disclosure
High7.1Aug 5
IBM Langflow OSS: code injection
High8.8Aug 5
IBM Langflow OSS: broken cryptography
High7.4Aug 5
IBM Langflow OSS: path traversal
Medium6.5Aug 5

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