CVE-2026-73484CWE-184

CVE-2026-73484

High · published August 13, 2026

CVSS v3.1

8.1

EPSS

Percentile

36.7

In the wild

Unconfirmed

What it is

Flowise before 3.1.3 contains a sandbox escape vulnerability in pythonCodeValidator.ts that fails to block native Pandas DataFrame methods like to_csv, to_json, pipe, and query. Authenticated attackers can exploit this to exfiltrate uploaded CSV data or write arbitrary files to the server filesystem.

The record

Technical detail

CVSS v3.1: 8.1 · HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0: Not supplied
EPSS: 0.00435 · 36.7th percentile
Weakness: CWE-184 · Incomplete List of Disallowed Inputs
Published: 2026-08-13T16:17Z

Affected products (1)

Product	Versions	Fixed in
flowiseai/flowise	< 3.1.3	3.1.3

References (3)

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-x58f-9m57-qc4m · [email protected]https://www.vulncheck.com/advisories/flowise-before-sandbox-escape-via-pandas-methods · [email protected]https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-x58f-9m57-qc4m · 134c704f-9b21-4f2e-91b3-4a467353bcc0

EPSS history

Timeline

13 AUG 11:28Z
Flowise before 3.1.3 Sandbox Escape via Pandas Methods
cvelistv5