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.
Published: 2026-08-13
Score: 9 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 13 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 13 Aug 2026 11:45:00 +0000

Type Values Removed Values Added
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.
Title Flowise before 3.1.3 Sandbox Escape to RCE
First Time appeared Flowiseai
Flowiseai flowise
Weaknesses CWE-95
CPEs cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*
Vendors & Products Flowiseai
Flowiseai flowise
References
Metrics cvssV4_0

{'score': 9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}


Subscriptions

Flowiseai Flowise
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-13T12:46:56.747Z

Reserved: 2026-08-13T11:15:12.095Z

Link: CVE-2026-73602

cve-icon Vulnrichment

Updated: 2026-08-13T12:46:53.235Z

cve-icon NVD

Status : Received

Published: 2026-08-13T12:17:24.480

Modified: 2026-08-13T13:19:19.073

Link: CVE-2026-73602

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T12:30:10Z

Weaknesses