PT-2026-68259 · Ibm · Langflow Oss
CVE-2026-10547
·
Published
2026-08-05
·
Updated
2026-08-05
CVSS v3.1
8.1
High
| Vector | AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
IBM Langflow OSS versions 1.0.0 through 1.10.3
Description
Insufficient ownership validation in the deprecated 'POST /api/v1/build/{flow id}/vertices' endpoint allows an authenticated user to inject arbitrary graph data into a shared cache for any flow. This flaw can lead to cross-user cache pollution, unauthorized workflow execution, or denial of service.
Recommendations
Update IBM Langflow OSS to a version later than 1.10.3.
As a temporary mitigation, restrict access to the 'POST /api/v1/build/{flow id}/vertices' endpoint.
Fix
DoS
Improper Access Control
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Weakness Enumeration
Related Identifiers
Affected Products
Langflow Oss