CVE-2025-55346

Unintended dynamic code execution leads to remote code execution by network attackers

Published Aug 14, 2025 CVSS 3.1 · 9.8 Critical EPSS 23.8% KEV · Not listed
Description
User-controlled input flows to an unsafe implementation of a dynamic Function constructor, allowing network attackers to run arbitrary unsandboxed JS code in the context of the host, by sending a simple POST request.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-24803 Flowise vulnerable to RCE via Dynamic function constructor injection
Github GHSA Github GHSA GHSA-q4xx-mc3q-23x8 Flowise JS injection remote code execution
Github GHSA Github GHSA GHSA-hmgh-466j-fx4c Flowise vulnerable to RCE via Dynamic function constructor injection
History
Type Values Removed Values Added
First Time appeared Flowiseai
Flowiseai flowise
Vendors & Products Flowiseai
Flowiseai flowise
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description User-controlled input flows to an unsafe implementation of a dynamic Function constructor, allowing network attackers to run arbitrary unsandboxed JS code in the context of the host, by sending a simple POST request.
Title Unintended dynamic code execution leads to remote code execution by network attackers
Weaknesses CWE-94
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
JFROG
Published
Updated
Aug 14, 2025, 3:44 PM
Reserved
Aug 13, 2025, 4:40 AM
Status
Deferred
Published
Aug 14, 2025, 10:15 AM
Modified
Jun 17, 2026, 9:41 AM