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CVE-2026-65595— n8n before 2.30.1 Privilege Escalation via Token Exchange

AI Predicted 9.1 Difficulty: Easy

Affected Version Matrix 4

VendorProductVersion RangeStatus
n8n-ion8n< 2.30.1affected
2.30.1unaffected
< 2.29.8affected
2.29.8unaffected
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I. Basic Information for CVE-2026-65595

Vulnerability Information
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Vulnerability Title
n8n before 2.30.1 Privilege Escalation via Token Exchange
Source: CVE Program / CVE List V5
Vulnerability Description
n8n before 2.30.1 and 2.29.8 assigns all Public API key scopes to JWTs issued through the Token Exchange module regardless of the acting user's role. On instances where the Token Exchange feature and Public API are enabled, a low-privileged user who can obtain a valid external JWT trusted by a configured issuer can use the resulting access token to invoke administrator-only Public API operations such as role escalation, user creation, and user deletion (role escalation requires an Advanced Permissions license), and, when unverified Community Package installation is enabled, achieve remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5

Affected Products

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

II. Public POCs for CVE-2026-65595

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III. Intelligence Information for CVE-2026-65595

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Vendor Advisories for CVE-2026-65595 (1)

Other References for CVE-2026-65595 (1)

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

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-2026-65593n8n before 1.123.64 SSRF via Dynamic Node Parameters
CVE-2026-65599n8n before 1.123.64 Credential Exposure via JWT Header
CVE-2026-65015n8n before 2.30.1 Privilege Escalation via run_node_tool
CVE-2026-65016n8n before 1.123.64 Privilege Escalation via SSO Instance-Role
CVE-2026-65589n8n before 1.123.64 Credential Exposure via LLM Node Execution Data
CVE-2026-65596n8n before 1.123.64 Credential Exfiltration via GraphQL Node
CVE-2026-65014n8n before 2.28.0 Authentication Bypass via test-webhook
CVE-2026-65594n8n before 2.30.1 Missing OAuth Authorization Check
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-269

V. Comments for CVE-2026-65595

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