Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-59254— n8n - External Secrets Disclosure via Workflow Node Expressions

AI Predicted 7.5 Difficulty: Easy EPSS 0.27% · P18

Affected Version Matrix 4

VendorProductVersion RangeStatus
n8nn8n< 2.28.1affected
2.28.1unaffected
< 2.27.4affected
2.27.4unaffected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-59254

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
n8n - External Secrets Disclosure via Workflow Node Expressions
Source: NVD (National Vulnerability Database)
Vulnerability Description
n8n before 2.28.1 contains an information disclosure vulnerability where external secrets are incorrectly resolved in workflow node expressions outside credentials scope. Authenticated project editors can read plaintext external secret values by referencing them in node expressions without requiring explicit secrets access permissions.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
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 2.28.1之前版本存在授权问题漏洞，该漏洞源于在工作流节点表达式中错误解析凭据范围外的外部秘密信息，可能导致已通过身份验证的项目编辑者通过引用节点表达式中的外部秘密值读取明文秘密值，而无需显式的秘密访问权限。
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
n8nn8n 0 ~ 2.28.1 -
n8nn8n 0 ~ 2.27.4 -

II. Public POCs for CVE-2026-59254

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-59254

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-59254 (2)

Same Patch Batch · n8n · 2026-07-15 · 5 CVEs total

CVE-2026-563526.4 MEDIUMn8n - Arbitrary File Read and Execution via ExecuteWorkflow localFile Parameter
CVE-2026-563534.8 MEDIUMn8n - Authentication Bypass in Chat Trigger Node
CVE-2026-59259n8n - Permission Bypass via Expression Parser Mismatch in External Secrets
CVE-2026-56349n8n - Guardrail Node Bypass via Crafted Input

IV. Related Vulnerabilities

Same product: n8n
Same vendor: n8n
Same weakness: CWE-639

V. Comments for CVE-2026-59254

No comments yet

Leave a comment