CVE-2026-9077

High

Open

TLP:CLEAR

Reliance on Untrusted Inputs in a Security Decision vulnerabilities in Model Context Protocol features

NVD CVE.org

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Description

IBM Langflow OSS 1.0.0 through 1.10.3 Langflow allows remote authenticated attackers to bypass localhost-only restrictions and write arbitrary MCP server configurations to IDE configuration files on the host system.

Details

CVSS Score: 8.5
EPSS Score ⓘ: 0.31%

23.6th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
Confidence: 90%
Published: Aug 5, 2026
Last Modified: Aug 5, 2026

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