Paper/Archive/CVE-2026-73602

CVE-2026-73602

FlowiseAI Flowise — Flowise before 3.1.3 Sandbox Escape to RCE

Description · from the CVE record

Flowise before 3.1.3 contains a sandbox escape vulnerability in the vm2 JavaScript sandbox that allows authenticated users to execute arbitrary code by exploiting moment locale validation bypass. Attackers can craft a fake String object with a match function that bypasses path traversal checks to load and execute malicious JavaScript files stored in the document store outside the sandbox.

Affected

ProductAffectedFixed inSource
Flowise< 3.1.33.1.3CNA

Scores by source

NVD9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
VulnCheck (CNA)9.0CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

advisorygithub.com/FlowiseAI/Flowise/security/advisories/GHSA-rqh4-rxw3-93rppatchgithub.com/FlowiseAI/Flowise/commit/4211bfc8f15746be4019bba557e29a7ba83d54c5writeupvulncheck.com/advisories/flowise-before-sandbox-escape-to-rce