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CVE-2026-65596— n8n before 1.123.64 Credential Exfiltration via GraphQL Node

AI Predicted 7.1 Difficulty: Easy EPSS 0.21% · P11

Affected Version Matrix 6

VendorProductVersion RangeStatus
n8n-ion8n< 1.123.64affected
1.123.64unaffected
< 2.30.1affected
2.30.1unaffected
< 2.29.8affected
2.29.8unaffected
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I. Basic Information for CVE-2026-65596

Vulnerability Information
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Vulnerability Title
n8n before 1.123.64 Credential Exfiltration via GraphQL Node
Source: CVE Program / CVE List V5
Vulnerability Description
n8n before 1.123.64, 2.29.8, and 2.30.1 fails to enforce the "Allowed HTTP Request Domains" restriction on HTTP-based credentials (Header Auth, Basic Auth, Query Auth, OAuth) in the GraphQL node, unlike the HTTP Request node. An authenticated user able to create or edit workflows can point the node's endpoint at a server they control and exfiltrate restricted credentials. Only instances where a credential has "Allowed HTTP Request Domains" configured and is usable by non-owner users are affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
n8n 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
n8n是n8n公司开源的一个可扩展的工作流自动化工具。 n8n 1.123.64之前版本、2.29.8版本和2.30.1版本存在授权问题漏洞，该漏洞源于在GraphQL节点中未能强制执行HTTP认证凭据的“允许HTTP请求域”限制，可能导致经过身份验证的用户创建或编辑工作流，将节点端点指向其控制的服务器并渗漏受限凭据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
n8n-ion8n 0 ~ 1.123.64 -
n8n-ion8n 0 ~ 2.30.1 -
n8n-ion8n 0 ~ 2.29.8 -

II. Public POCs for CVE-2026-65596

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III. Intelligence Information for CVE-2026-65596

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Vendor Advisories for CVE-2026-65596 (2)

Same Patch Batch · n8n-io · 2026-07-22 · 14 CVEs total

CVE-2026-655958.9 HIGHn8n before 2.29.8 and 2.30.1 Privilege Escalation via Token Exchange
CVE-2026-650167.7 HIGHn8n before 1.123.64, 2.29.8, and 2.30.1 Privilege Escalation via SSO Instance-Role
CVE-2026-655936.3 MEDIUMn8n before 1.123.64, 2.29.8, and 2.30.1 SSRF via Dynamic Node Parameters
CVE-2026-655995.1 MEDIUMn8n before 1.123.64, 2.29.8, and 2.30.1 Credential Exposure via JWT Header
CVE-2026-655895.1 MEDIUMn8n before 1.123.64 Credential Exposure via LLM Node Execution Data
CVE-2026-655945.1 MEDIUMn8n before 2.30.1 Missing OAuth Authorization Check
CVE-2026-65597n8n before 1.123.64 DOM-Based XSS via Unsandboxed iframe
CVE-2026-65590n8n before 2.30.1 Shell Sandbox Bypass on Linux Windows
CVE-2026-65591n8n before 1.123.64 Sanitizer Bypass Remote Code Execution
CVE-2026-65592n8n before 1.123.64 Stored DOM XSS via cachedResultUrl
CVE-2026-65015n8n before 2.30.1 Privilege Escalation via run_node_tool
CVE-2026-65014n8n before 2.28.0 Authentication Bypass via test-webhook
CVE-2026-65598n8n before 1.123.64 Remote Code Execution via Git Clone

IV. Related Vulnerabilities

Same product: n8n
Same vendor: n8n-io
Same weakness: CWE-863

V. Comments for CVE-2026-65596

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