Vulnerability DatabaseCVE-2026-7646
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CVE-2026-7646
Published:August 05, 2026
Updated:August 31, 2026
IBM Langflow OSS 1.0.0 through 1.10.3 allows users to read arbitrary files from the server filesystem, including other users' uploaded documents, the JWT signing secret, the SQLite database, and process environment variables, by sending a crafted MCP "resources/read" request with a URL-encoded path traversal sequence in the filename.
Affected Packages
langflow (CONDA):
Affected version(s) >=1.10.1 <1.11.1
Fix Suggestion:
Update to version 1.11.1
langflow (PYTHON):
Affected version(s) >=1.0.0 <1.11.0
Fix Suggestion:
Update to version 1.11.0
Related Resources (1)
https://www.ibm.com/support/pages/node/7282147
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-22
EPSS
Base Score:
0.30