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Flowise Vulnerabilities: Cross Tenant Authorization Bypass and Admin Takeover

Flowise Vulnerabilities: Cross Tenant Authorization Bypass and Admin Takeover

First seen 15 Sep 2026, 21:59 UTC

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ThreatCluster AI
ThreatCluster September 15, 2026 at 22:59 UTC
  • Flowise versions before 3.1.4 are vulnerable to critical security flaws.
  • The vulnerabilities include an authorization bypass and organization admin takeover.
  • Immediate patching is recommended to prevent potential data breaches.

Two critical vulnerabilities have been identified in Flowise versions prior to 3.1.4. The first, a cross-tenant authorization bypass, allows unauthorized access to tenant data. The second vulnerability enables an organization admin takeover, potentially compromising entire organizations. Both vulnerabilities affect users of Flowise, a platform used for data management and processing. No specific CVEs were mentioned in the articles. The vulnerabilities could lead to significant data breaches if exploited. Security professionals are advised to prioritize patching these vulnerabilities. Current status indicates that both vulnerabilities are disclosed but not confirmed to be actively exploited. Organizations using Flowise should take immediate action to secure their systems.

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Timeline

2026-09-15
Vulnerabilities disclosed
Flowise vulnerabilities were reported, affecting versions before 3.1.4, including authorization bypass and admin takeover risks.
VulnCheck
2026-09-15
Security advisory issued
Organizations using Flowise are urged to prioritize patching to mitigate risks associated with the disclosed vulnerabilities.
VulnCheck

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