CVE-2026-10547 — Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement

CVE-2026-10547

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

Description (CNA)

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 (CNA)

Vendor / product	Versions
IBM / Langflow OSS	affected 1.0.0 through 1.10.3

CWE

CWE-284

References

https://www.ibm.com/support/pages/node/7282647

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.