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CVE-2026-7664

nvd nist
Published: Jun 22, 2026Modified: Jun 26, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: psirt@us.ibm.com (Secondary)

Description

IBM Langflow OSS 1.0.0 through 1.8.4 could allow unauthenticated attackers to access protected MCP project resources and execute MCP operations due to improper authorization enforcement in the Streamable MCP transport endpoint.

Affected (1)

Products: Langflow: Langflow
Langflow
1 product
Langflow
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Langflow
From 1.0.0 to 1.8.4

Related CWEs

CWE-287
Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (1)

Source: psirt@us.ibm.com
Vendor Advisory

Timeline

No history available yet.