CVE-2026-7755

MCP Server Configuration Validator Bypass via File Upload API

Published Jul 17, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow remote code execution due to incomplete validation enforcement on MCP server configuration files.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.10.1 https://pypi.org/project/langflow/

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-78
Type Values Removed Values Added
Weaknesses CWE-78
Type Values Removed Values Added
Weaknesses CWE-20
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 1.0.0 through 1.10.0 Langflow could allow remote code execution due to incomplete validation enforcement on MCP server configuration files.
Title MCP Server Configuration Validator Bypass via File Upload API
First Time appeared Ibm
Ibm langflow Oss
CPEs cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:langflow_oss:1.10.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm langflow Oss
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Jul 23, 2026, 3:56 AM
Reserved
May 4, 2026, 3:09 AM
Status
Modified
Published
Jul 17, 2026, 8:17 PM
Modified
Oct 24, 2026, 8:10 PM