CVE-2026-7755

HIGH

MCP Server Configuration Validator Bypass via File Upload API

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
https://www.ibm.com/support/pages/node/7278932

Scores

CVSS v3 8.8
EPSS 0.0042
EPSS Percentile 34.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-20
Status published
Products (2)
IBM/Langflow OSS 1.0.0 - 1.10.0
langflow/langflow 1.0.0 - 1.10.1
Published Jul 17, 2026
Tracked Since Jul 18, 2026