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Vulnerability details: VCID-h82c-378t-aqb3
Vulnerability ID VCID-h82c-378t-aqb3
Aliases CVE-2026-25056
GHSA-hv53-3329-vmrm
Summary n8n Merge Node has Arbitrary File Write leading to RCE A vulnerability in the Merge node's SQL Query mode allowed authenticated users with permission to create or modify workflows to write arbitrary files to the n8n server's filesystem potentially leading to remote code execution.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-434 Unrestricted Upload of File with Dangerous Type
CWE-693 Protection Mechanism Failure
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
cvssv4 9.4 https://github.com/n8n-io/n8n
generic_textual CRITICAL https://github.com/n8n-io/n8n
cvssv4 9.4 https://github.com/n8n-io/n8n/security/advisories/GHSA-hv53-3329-vmrm
generic_textual CRITICAL https://github.com/n8n-io/n8n/security/advisories/GHSA-hv53-3329-vmrm
cvssv4 9.4 https://nvd.nist.gov/vuln/detail/CVE-2026-25056
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2026-25056
Reference id Reference type URL
https://github.com/n8n-io/n8n
CVE-2026-25056 https://nvd.nist.gov/vuln/detail/CVE-2026-25056
GHSA-hv53-3329-vmrm https://github.com/advisories/GHSA-hv53-3329-vmrm
GHSA-hv53-3329-vmrm https://github.com/n8n-io/n8n/security/advisories/GHSA-hv53-3329-vmrm
No exploits are available.
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H Found at https://github.com/n8n-io/n8n
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

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passive

active

high

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low

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low

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low

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H Found at https://github.com/n8n-io/n8n/security/advisories/GHSA-hv53-3329-vmrm
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H Found at https://nvd.nist.gov/vuln/detail/CVE-2026-25056
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

No EPSS data available for this vulnerability.

Date Actor Action Source VulnerableCode Version
2026-06-02T04:49:57.758850+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/n8n/CVE-2026-25056.yml 38.6.0