Staging Environment: Content and features may be unstable or change without notice.
Advisory details: gitlab / npm/flowise/CVE-2025-55346
Advisory ID gitlab/npm/flowise/CVE-2025-55346
Aliases CVE-2025-55346
GHSA-hmgh-466j-fx4c
Summary Flowise vulnerable to RCE via Dynamic function constructor injection User-controlled input flows to an unsafe implementaion of a dynamic Function constructor , allowing a malicious actor to run JS code in the context of the host (not sandboxed) leading to RCE.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (4)
CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-627 Dynamic Variable Evaluation
System Score Found at
cvssv3.1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/flowise/CVE-2025-55346.yml
Reference id Reference type URL
https://github.com/FlowiseAI/Flowise
https://research.jfrog.com/vulnerabilities/flowise-js-injection-remote-code-exection-jfsa-2025-001379925
CVE-2025-55346 https://nvd.nist.gov/vuln/detail/CVE-2025-55346
GHSA-hmgh-466j-fx4c https://github.com/advisories/GHSA-hmgh-466j-fx4c
GHSA-hmgh-466j-fx4c https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-hmgh-466j-fx4c
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/flowise/CVE-2025-55346.yml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:P/A:Y/T:T/P:M/B:A/M:M/D:R/2025-08-14T15:43:54Z/

Decision: Track*

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2025/55xxx/CVE-2025-55346.json

Source Advisory: vulnrichment/CVE-2025-55346

View SSVC decision tree 
[{'Exploitation': 'poc'},
 {'Automatable': 'yes'},
 {'Technical Impact': 'total'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]