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Vulnerability record · CVE-2026-73487 · published 13 August 2026

CVE-2026-73487: Flowiseai flowise code injection vulnerability

Flowiseai · Flowise

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.

9.0 CVSS 4.0 Critical EPSS 0.77% · top 46.2% CWE-94 · Code injection
9.0CVSS 4.0 base score
0.77%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
3 Sep 2026Last modified by 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.

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-73487), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.