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Vulnerability details: VCID-4w75-581c-3ycz
Vulnerability ID VCID-4w75-581c-3ycz
Aliases GHSA-38c7-23hj-2wgq
Summary n8n has Webhook Forgery on Zendesk Trigger Node An attacker who knows the webhook URL of a workflow using the ZendeskTrigger node could send unsigned POST requests and trigger the workflow with arbitrary data. The node does not verify the HMAC-SHA256 signature that Zendesk attaches to every outbound webhook, allowing any party to inject crafted payloads into the connected workflow.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-290 Authentication Bypass by Spoofing
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 4.0 https://github.com/n8n-io/n8n
cvssv4 6.3 https://github.com/n8n-io/n8n
generic_textual MODERATE https://github.com/n8n-io/n8n
cvssv3.1 4.0 https://github.com/n8n-io/n8n/commit/3839e310bd4c3002c646c363d1411916fa195151
cvssv4 6.3 https://github.com/n8n-io/n8n/commit/3839e310bd4c3002c646c363d1411916fa195151
generic_textual MODERATE https://github.com/n8n-io/n8n/commit/3839e310bd4c3002c646c363d1411916fa195151
cvssv3.1 4.0 https://github.com/n8n-io/n8n/commit/c6520e4e87614fa60c9433e93019e211f19f65f9
cvssv4 6.3 https://github.com/n8n-io/n8n/commit/c6520e4e87614fa60c9433e93019e211f19f65f9
generic_textual MODERATE https://github.com/n8n-io/n8n/commit/c6520e4e87614fa60c9433e93019e211f19f65f9
cvssv3.1 4.0 https://github.com/n8n-io/n8n/security/advisories/GHSA-38c7-23hj-2wgq
cvssv4 6.3 https://github.com/n8n-io/n8n/security/advisories/GHSA-38c7-23hj-2wgq
generic_textual MODERATE https://github.com/n8n-io/n8n/security/advisories/GHSA-38c7-23hj-2wgq
Reference id Reference type URL
https://github.com/n8n-io/n8n
https://github.com/n8n-io/n8n/commit/3839e310bd4c3002c646c363d1411916fa195151
https://github.com/n8n-io/n8n/commit/c6520e4e87614fa60c9433e93019e211f19f65f9
GHSA-38c7-23hj-2wgq https://github.com/advisories/GHSA-38c7-23hj-2wgq
GHSA-38c7-23hj-2wgq https://github.com/n8n-io/n8n/security/advisories/GHSA-38c7-23hj-2wgq
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N 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:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N 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

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none

passive

active

high

low

none

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none

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none

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none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N Found at https://github.com/n8n-io/n8n/commit/3839e310bd4c3002c646c363d1411916fa195151
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:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N Found at https://github.com/n8n-io/n8n/commit/3839e310bd4c3002c646c363d1411916fa195151
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

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none

passive

active

high

low

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none

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low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N Found at https://github.com/n8n-io/n8n/commit/c6520e4e87614fa60c9433e93019e211f19f65f9
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:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N Found at https://github.com/n8n-io/n8n/commit/c6520e4e87614fa60c9433e93019e211f19f65f9
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

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none

present

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passive

active

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low

none

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N Found at https://github.com/n8n-io/n8n/security/advisories/GHSA-38c7-23hj-2wgq
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:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N Found at https://github.com/n8n-io/n8n/security/advisories/GHSA-38c7-23hj-2wgq
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

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none

passive

active

high

low

none

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none

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low

none

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low

none

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low

none

No EPSS data available for this vulnerability.

Date Actor Action Source VulnerableCode Version
2026-06-02T04:50:56.807405+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/n8n/GHSA-38c7-23hj-2wgq.yml 38.6.0