RCE in Flowiseai Flowise
CVE-2026-73485
Flowise before 3.1.3 contains a code injection vulnerability in the Airtable Agent node that allows unauthenticated attackers to execute arbitrary Python code by bypassing the pythonCodeValidator blocklist through obfuscation techniques. Attackers can send crafted prompts to a chatflow using the Airtable Agent node to inject malicious Python code that executes in an unsandboxed pyodide environment with full access to the host operating system.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.003
Affected products
- Flowiseai Flowise — versions 0, 3.1.3
Weakness classification (CWE)
References
- github.com/FlowiseAI/Flowise/security/advisories/GHSA-c5hr-rc98-xp3g (Exploit, vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/flowise-before-remote-code-execution-via-airtable-… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-73485?
- CVE-2026-73485 is a high-severity vulnerability in Flowiseai Flowise, classified under Code Injection. CVSS score: 8.8/10. Published 2026-08-13.
- How severe is CVE-2026-73485?
- High severity. CVSS v3 base score is 8.8 out of 10.