LLMHigh
CVE-2026-73487: Flowise before 3.1.3 contains a regex-based Python code validator bypass in CSV and Airtable Agent n…
- Occurred
- Aug 13, 2026
- Published
- Aug 13, 2026
- Source
- NVD CVE
Summary
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.
Tags
- CVE
- CVE-2026-73487
- cvss:CRITICAL
Classification
Category confidence: 90%
Severity confidence: 85%
Rationale: CVE describes prompt injection vulnerability in LLM agent nodes allowing code execution and data exfiltration.
Classifier: Qwen/Qwen3.5-35B-A3B-FP8