CVE-2026-73487: flowiseai flowise

CVSS 9.8 (critical) · published 2026-08-13

Flowise before 3.1.3 contains a regex-based Python code validator bypass in CSV and Airtable Agent nodes that allows unauthenticated attackers to inject malicious code via prompt injection. Attackers can exploit unblocked pandas functions like pd.read_json() to exfiltrate datasets, perform SSRF against internal services, or achieve code execution through the unauthenticated prediction API.

Affected products (NVD): flowiseai flowise

Weakness: CWE-94

Source: NVD CVE-2026-73487

References

• https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-w7x8-q2gp-5cgg
• https://www.vulncheck.com/advisories/flowise-before-prompt-injection-rce-via-csv-agent
• https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-w7x8-q2gp-5cgg

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