CVE-2025-59434CRITICAL 9.6EPSS p86.3%

CVE-2025-59434CVE-2025-59434

Description

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to August 2025 Cloud-Hosted Flowise, an authenticated vulnerability in Flowise Cloud allows any user on the free tier to access sensitive environment variables from other tenants via the Custom JavaScript Function node. This includes secrets such as OpenAI API keys, AWS credentials, Supabase tokens, and Google Cloud secrets — resulting in a full cross-tenant data exposure. This issue has been patched in the August 2025 Cloud-Hosted Flowise.

Scoring

CVSS 3.19.6 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
EPSS3.15% probability of exploitation · percentile 86.3% · 2026-06-18T12:00:27Z
Published2025-09-22
Last modified2026-04-15

Underlying weaknesses· 2

CWE-200CWE-284

References

  1. https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-435c-mg9p-fv22

2

TypeTargetConfidenceTier
WeaknessExposure of Sensitive Information to an Unauthorized Actorcwe-2000%live
WeaknessImproper Access Controlcwe-2840%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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