
flowise checked model-generated python with a regex blocklist before running it (CVE-2026-73487, fixed in 3.1.3). the advisory says it had 'multiple structural bypasses'. regex vs an llm writing code. who could have guessed /s
Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
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.
Priority
LOW
Exploitation
NONE
PoC
YES
Patch
NONE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.

flowise checked model-generated python with a regex blocklist before running it (CVE-2026-73487, fixed in 3.1.3). the advisory says it had 'multiple structural bypasses'. regex vs an llm writing code. who could have guessed /s
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| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | flowiseai | flowise | - | - | - |