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Vulnerability details: VCID-dd53-wba6-f3c6
Vulnerability ID VCID-dd53-wba6-f3c6
Aliases CVE-2026-27497
GHSA-wxx7-mcgf-j869
Summary n8n has Potential Remote Code Execution via Merge Node An authenticated user with permission to create or modify workflows could leverage the Merge node's SQL query mode to execute arbitrary code and write arbitrary files on the n8n server.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CWE-94 Improper Control of Generation of Code ('Code 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
System Score Found at
cvssv3.1 9.9 https://github.com/n8n-io/n8n
cvssv4 9.4 https://github.com/n8n-io/n8n
generic_textual CRITICAL https://github.com/n8n-io/n8n
cvssv3.1 9.9 https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.22
cvssv4 9.4 https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.22
generic_textual CRITICAL https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.22
cvssv3.1 9.9 https://github.com/n8n-io/n8n/releases/tag/n8n@2.10.1
cvssv4 9.4 https://github.com/n8n-io/n8n/releases/tag/n8n@2.10.1
generic_textual CRITICAL https://github.com/n8n-io/n8n/releases/tag/n8n@2.10.1
cvssv3.1 9.9 https://github.com/n8n-io/n8n/releases/tag/n8n@2.9.3
cvssv4 9.4 https://github.com/n8n-io/n8n/releases/tag/n8n@2.9.3
generic_textual CRITICAL https://github.com/n8n-io/n8n/releases/tag/n8n@2.9.3
cvssv3.1 9.9 https://github.com/n8n-io/n8n/security/advisories/GHSA-wxx7-mcgf-j869
cvssv4 9.4 https://github.com/n8n-io/n8n/security/advisories/GHSA-wxx7-mcgf-j869
generic_textual CRITICAL https://github.com/n8n-io/n8n/security/advisories/GHSA-wxx7-mcgf-j869
cvssv3.1 9.9 https://nvd.nist.gov/vuln/detail/CVE-2026-27497
cvssv4 9.4 https://nvd.nist.gov/vuln/detail/CVE-2026-27497
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2026-27497
Reference id Reference type URL
https://github.com/n8n-io/n8n
https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.22
https://github.com/n8n-io/n8n/releases/tag/n8n@2.10.1
https://github.com/n8n-io/n8n/releases/tag/n8n@2.9.3
CVE-2026-27497 https://nvd.nist.gov/vuln/detail/CVE-2026-27497
GHSA-wxx7-mcgf-j869 https://github.com/advisories/GHSA-wxx7-mcgf-j869
GHSA-wxx7-mcgf-j869 https://github.com/n8n-io/n8n/security/advisories/GHSA-wxx7-mcgf-j869
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/n8n-io/n8n
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: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

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

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low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.22
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: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/releases/tag/n8n@1.123.22
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

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low

none

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none

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low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/n8n-io/n8n/releases/tag/n8n@2.10.1
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: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/releases/tag/n8n@2.10.1
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

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low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/n8n-io/n8n/releases/tag/n8n@2.9.3
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: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/releases/tag/n8n@2.9.3
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:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/n8n-io/n8n/security/advisories/GHSA-wxx7-mcgf-j869
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: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-wxx7-mcgf-j869
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:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2026-27497
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: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-2026-27497
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

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low

none

No EPSS data available for this vulnerability.

Date Actor Action Source VulnerableCode Version
2026-06-02T04:50:45.259546+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/n8n/CVE-2026-27497.yml 38.6.0