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[NEW] [UNPATCHED] [high] Flowise: Vulnerability enables bypass of security measures

highpublic exploitCVE-2026-67620
A remote, authenticated attacker can exploit a vulnerability in Flowise to bypass security measures.

CSIRTS triage

vendor: Flowiseproduct: FlowiseAuthentication bypass
What
A vulnerability in Flowise allows authenticated remote attackers to bypass security measures.
Who is affected
All Flowise deployments accessible to authenticated users.
Urgency
High—currently unpatched; authenticated bypass risk.
Action
Monitor for a Flowise security patch and apply immediately upon release.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
high
Published
2026-08-10
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2719

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-67620coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Flowise

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories