CVE-2026-73487
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductFlowise
PublishedAug 13, 2026
First seenAug 13, 2026
Weakness typeCWE-94Code injection
How to fix
Update
- flowise3.1.3 or later
- flowise-components3.1.3 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| flowiseai flowise | v ≤ 3.1.4 | — |
| flowisenpm | v < 3.1.3 | 3.1.3 |
| flowise-componentsnpm | v < 3.1.3 | 3.1.3 |
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