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Vulnerability details: VCID-1a8e-2a56-e3hf
Vulnerability ID VCID-1a8e-2a56-e3hf
Aliases CVE-2025-55346
GHSA-hmgh-466j-fx4c
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (5)
CWE-94 Improper Control of Generation of Code ('Code Injection')
CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
CWE-627 Dynamic Variable Evaluation
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
System Score Found at
epss 0.00188 https://api.first.org/data/v1/epss?cve=CVE-2025-55346
epss 0.00188 https://api.first.org/data/v1/epss?cve=CVE-2025-55346
epss 0.00188 https://api.first.org/data/v1/epss?cve=CVE-2025-55346
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-hmgh-466j-fx4c
cvssv3.1 9.8 https://github.com/FlowiseAI/Flowise
generic_textual CRITICAL https://github.com/FlowiseAI/Flowise
cvssv3.1 9.8 https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-hmgh-466j-fx4c
cvssv3.1_qr CRITICAL https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-hmgh-466j-fx4c
generic_textual CRITICAL https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-hmgh-466j-fx4c
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2025-55346
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2025-55346
cvssv3.1 9.8 https://research.jfrog.com/vulnerabilities/flowise-js-injection-remote-code-exection-jfsa-2025-001379925
generic_textual CRITICAL https://research.jfrog.com/vulnerabilities/flowise-js-injection-remote-code-exection-jfsa-2025-001379925
cvssv3.1 9.8 https://research.jfrog.com/vulnerabilities/flowise-js-injection-remote-code-exection-jfsa-2025-001379925/
ssvc Track* https://research.jfrog.com/vulnerabilities/flowise-js-injection-remote-code-exection-jfsa-2025-001379925/
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2025-55346
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
flowise-js-injection-remote-code-exection-jfsa-2025-001379925 https://research.jfrog.com/vulnerabilities/flowise-js-injection-remote-code-exection-jfsa-2025-001379925/
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.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/FlowiseAI/Flowise
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: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-hmgh-466j-fx4c
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: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2025-55346
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: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://research.jfrog.com/vulnerabilities/flowise-js-injection-remote-code-exection-jfsa-2025-001379925
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: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://research.jfrog.com/vulnerabilities/flowise-js-injection-remote-code-exection-jfsa-2025-001379925/
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/ Found at https://research.jfrog.com/vulnerabilities/flowise-js-injection-remote-code-exection-jfsa-2025-001379925/
Exploit Prediction Scoring System (EPSS)
Percentile 0.40453
EPSS Score 0.00188
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T17:14:56.610899+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2025/55xxx/CVE-2025-55346.json 38.6.0