Critical severity9.8NVD Advisory· Published Aug 13, 2026· Updated Oct 23, 2026
CVE-2026-73487
CVE-2026-73487
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
flowisenpm | < 3.1.3 | 3.1.3 |
flowise-componentsnpm | < 3.1.3 | 3.1.3 |
Affected products
2Patches
Vulnerability mechanics
References
4- github.com/FlowiseAI/Flowise/security/advisories/GHSA-w7x8-q2gp-5cggnvdExploitMitigationVendor AdvisoryWEB
- github.com/advisories/GHSA-w7x8-q2gp-5cggghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-73487ghsaADVISORY
- www.vulncheck.com/advisories/flowise-before-prompt-injection-rce-via-csv-agentnvdThird Party AdvisoryWEB
News mentions
2- ⚡ Weekly Recap: Chinese Spy Proxy, AI Agents Go Off-Task, Router Backdoors and MoreThe Hacker News · Aug 31, 2026
- Flowise: Ten RCE and Data Exposure Vulnerabilities Disclosed TogetherVypr Intelligence · Aug 13, 2026