High severityNVD Advisory· Published Aug 13, 2026

CVE-2026-73484

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Flowiseai/Flowisellm-fuzzy
Range: <3.1.3

Patches

Vulnerability mechanics

References

github.com/FlowiseAI/Flowise/security/advisories/GHSA-x58f-9m57-qc4mnvd
www.vulncheck.com/advisories/flowise-before-sandbox-escape-via-pandas-methodsnvd

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