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CVE-2026-73602 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.9 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/FlowiseAI/Flowise/commit/4211bfc8f15746be4019bba557e29a7ba83d54c5	[email protected]	Broken Link
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-rqh4-rxw3-93rp	[email protected]	ExploitVendor Advisory
https://www.vulncheck.com/advisories/flowise-before-sandbox-escape-to-rce	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-95	Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')	[email protected]

Affected Products

Product	Versions
flowiseai flowise	< 3.1.3
CPE cpe:2.3:a:flowiseai:flowise:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Sep 4, 2026	Initial Analysis	[email protected]
Aug 13, 2026	CVE Modified	CISA-ADP
Aug 13, 2026	New CVE Received	[email protected]