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Vulnerability details: VCID-upx4-rmwg-yqfz
Vulnerability ID VCID-upx4-rmwg-yqfz
Aliases CVE-2026-25052
GHSA-gfvg-qv54-r4pc
Summary n8n's Improper File Access Controls Allow Arbitrary File Read by Authenticated Users A vulnerability in the file access controls allows authenticated users with permission to create or modify workflows to read sensitive files from the n8n host system. This can be exploited to obtain critical configuration data and user credentials, leading to complete account takeover of any user on the instance.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
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-gfvg-qv54-r4pc
generic_textual CRITICAL https://github.com/n8n-io/n8n/security/advisories/GHSA-gfvg-qv54-r4pc
ssvc Track https://github.com/n8n-io/n8n/security/advisories/GHSA-gfvg-qv54-r4pc
cvssv4 9.4 https://nvd.nist.gov/vuln/detail/CVE-2026-25052
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2026-25052
Reference id Reference type URL
https://github.com/n8n-io/n8n
CVE-2026-25052 https://nvd.nist.gov/vuln/detail/CVE-2026-25052
GHSA-gfvg-qv54-r4pc https://github.com/advisories/GHSA-gfvg-qv54-r4pc
GHSA-gfvg-qv54-r4pc https://github.com/n8n-io/n8n/security/advisories/GHSA-gfvg-qv54-r4pc
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

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physical

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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-gfvg-qv54-r4pc
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

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Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-02-05T14:23:20Z/ Found at https://github.com/n8n-io/n8n/security/advisories/GHSA-gfvg-qv54-r4pc
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-2026-25052
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

No EPSS data available for this vulnerability.

Date Actor Action Source VulnerableCode Version
2026-06-02T04:49:57.410054+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/n8n/CVE-2026-25052.yml 38.6.0