CVE-2026-9205

CRITICAL CVSS 3.1: 9.8 EPSS 0.23%
Updated Aug 07, 2026
Langflow
Parameter Value
CVSS 9.8 (CRITICAL)
Affected Versions 1.0.0 — 1.11.0
Fixed In 1.11.0
Type CWE-338
Vendor Langflow
Public PoC No

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

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Langflow Langflow
cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*
1.0.0 1.11.0