[NEW] [high] Flowise: Multiple vulnerabilities
An attacker can exploit multiple vulnerabilities in Flowise to execute arbitrary code – even with root privileges – gain elevated privileges, bypass security measures, hijack sessions, and disclose or manipulate data.
CSIRTS triage
- What
- Multiple vulnerabilities allow an attacker to execute arbitrary code, gain elevated privileges, and manipulate data.
- Who is affected
- Deployments of Flowise are affected.
- Urgency
- Remediation is high priority due to the potential for severe exploitation and data compromise.
- Action
- Update to the latest version of Flowise.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2589
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.
- medium[NEW] [medium] Flowise: Multiple vulnerabilities allow circumventing security measures and DoScert-bund · 2026-08-31
- mediumCVE-2026-73604: Flowise before 3.1.3 contains an incomplete credential redaction vulnerability in the GET /api…nvd · 2026-08-13
- unknownCVE-2026-73603: Flowise before 3.1.4 fails to validate chatflow visibility in the unauthenticated text-to-spee…nvd · 2026-08-13
- unknownCVE-2026-73602: Flowise before 3.1.3 contains a sandbox escape vulnerability in the vm2 JavaScript sandbox tha…nvd · 2026-08-13
- unknownCVE-2026-73601: Flowise versions before 3.1.3 contain a remote code execution vulnerability in the Custom MCP …nvd · 2026-08-13
- unknownCVE-2026-73488: Flowise versions before 3.1.3 contain an insecure direct object reference vulnerability in the…nvd · 2026-08-13
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