IBM Langflow OSS 1.0.0 through 1.8.4 could allow any user to supply a flow_id to read transaction logs and vertex build data belonging to other users, and to delete persisted vertex build data for another user's flow.
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Score 6.5 from GitHub Security Advisory published 2026-05-01. NVD baseline CVSS 6.5; sources differ by 0.0.
IBM Langflow OSS 1.0.0 through 1.8.4 could allow any user to supply a flow_id to read transaction logs and vertex build data belonging to other users, and to delete persisted vertex build data for another user's flow.
April 30, 2026
May 4, 2026
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CWE-639