CVE-2026-6542HIGH 8.1EPSS p9.9%

CVE-2026-6542CVE-2026-6542

Description

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.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS0.20% probability of exploitation · percentile 9.9% · 2026-06-19T12:03:05Z
Published2026-04-30
Last modified2026-05-04

Underlying weaknesses· 1

CWE-639

References

  1. https://www.ibm.com/support/pages/node/7270886

1

TypeTargetConfidenceTier
WeaknessAuthorization Bypass Through User-Controlled Keycwe-6390%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.