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CVE-2025-55346

Date: August 14, 2025

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.

Severity Score

Related Resources (6)

https://research.jfrog.com/vulnerabilities/flowise-js-injection-remote-code-exection-jfsa-2025-001379925
https://github.com/FlowiseAI/Flowise
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-hmgh-466j-fx4c
https://nvd.nist.gov/vuln/detail/CVE-2025-55346
https://research.jfrog.com/vulnerabilities/flowise-js-injection-remote-code-exection-jfsa-2025-001379925/
https://www.mend.io/vulnerability-database/CVE-2025-55346

Severity Score

Weakness Type (CWE)

Improper Control of Generation of Code ('Code Injection')

CWE-94

Dynamic Variable Evaluation

CWE-627

Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

CWE-95

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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