CVE-2026-73487: Flowise prompt injection bypass leads to RCE and SSRF

# CVE-2026-73487: Flowise prompt injection bypass leads to RCE and SSRF

https://gcdradar.vercel.app/incidents/cve-2026-73487-flowise-prompt-injection-bypass-leads-to-rce · AIR-2026-0257 · closed 2026-08-13

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-08-13 (happened 2026-10-07)
- AI role: Attack on AI
- Products: Flowise
- CVE ids: CVE-2026-73487
- CVSS: 9

## Summary

Flowise CSV and Airtable agents contain regex validator bypasses enabling prompt injection to achieve SSRF and data exfiltration. The issue affects versions 3.1.2 and prior.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-10-07: CVE-2026-73487: Flowise Prompt Injection to RCE and SSRF via CSV/Airtable Agent Python Validator Bypass (https://github.com/advisories/GHSA-w7x8-q2gp-5cgg)
- 2026-08-13: CVE-2026-73487: Flowise before 3.1.3 contains a regex-based Python code validator bypass in CSV and Airtable Agent nodes that allows… (https://nvd.nist.gov/vuln/detail/CVE-2026-73487)

## Sources

- 2026-08-13 NVD: CVE-2026-73487: Flowise before 3.1.3 contains a regex-based Python code validator bypass in CSV and Airtable Agent nodes that allows… https://nvd.nist.gov/vuln/detail/CVE-2026-73487
- 2026-10-07 GitHub Advisory Database: CVE-2026-73487: Flowise Prompt Injection to RCE and SSRF via CSV/Airtable Agent Python Validator Bypass https://github.com/advisories/GHSA-w7x8-q2gp-5cgg

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.