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IBMCVE-2026-17623

IBM Langflow OSS: remote code execution

High8.8CVE-2026-17623 · Published Aug 5, 2026 · updated Aug 6, 2026

IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of the command field in MCP server configurations.

IBM advisory

Affected versions

PackageAffectedFixed in
Langflow OSS
Product
>= 1.0.0, <= 1.10.3No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-78

More IBM advisories

All IBM
Advisory
IBM Langflow OSS: weak cryptography
High7.4Aug 5
IBM Langflow OSS: code injection
High8.1Aug 5
IBM Langflow OSS: code execution
High8.8Aug 5
IBM Langflow OSS: information disclosure
High7.1Aug 5
IBM Langflow OSS: code injection
High8.8Aug 5
IBM Langflow OSS: broken cryptography
High7.4Aug 5

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