HIGH
CVE-2026-10547
CVSS
8.1
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.
Weakness (CWE)
CWE-284
Improper Access Control
EPSS Score
0.23%
Probability of exploitation in next 30 days
13.5th percentile
Base CVE data derived from NVD (public domain). Enrichment by
dbcve.org
(CC-BY-4.0). Fetched via API.