PT-2026-36200 · Ibm · Langflow Oss

Published 2026-04-30 · Updated 2026-04-30 · CVE-2026-6542

Mitre

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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.

Fix

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

CVE-2026-6542

Affected Products

Langflow Oss

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-6542 · Security Note
• https://ibm.com/support/pages/node/7270886 · Patch, Vendor Advisory