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CVE PROGRAM SOURCE RECORD5.9 Medium

CVE-2026-10547

Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement

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Status
Published
Published
Updated
Assigning organization
ibm

Description

IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate ownership in the deprecated POST /api/v1/build/{flow_id}/vertices endpoint, allowing an authenticated user to inject arbitrary graph data into a shared cache for any flow. This may result in cross-user cache pollution, unauthorized workflow execution, or denial of service.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

IBM Langflow OSS

  • 1.0.0 to ≤ 1.10.3affected

References