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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-110844— n8n before 1.123.83 Credential Authorization Bypass via Nested Inline Sub-Workflows

Quick assessment

Affected
n8n-io n8n
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 n8n 1.123.83 之前的版本中，存在一个授权绕过漏洞，允许共享工作流的编辑者通过将其嵌入到嵌套子工作流或工具内联子工作流中，来使用他们无权访问的凭据。攻击者可以保存使用 Workflow Tool 或 Workflow Retriever 内联定义引用受限凭据的工作流，这些工作流会使用工作流所有者的凭据值执行。

CVSS 7.2 · High EPSS 0.28% · P19

Affected Version Matrix 1

VendorProduct Version RangeStatus
n8n-io n8n < 1.123.83 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-110844

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 before 1.123.83 Credential Authorization Bypass via Nested Inline Sub-Workflows
Source: CVE Program / CVE List V5
Vulnerability Description
n8n before 1.123.83 contains an authorization bypass vulnerability that allows shared-workflow editors to use credentials they cannot access by embedding them in nested or tool inline sub-workflows. Attackers can save workflows with Workflow Tool or Workflow Retriever inline definitions referencing restricted credentials, which execute using the workflow owner's credential values.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
n8n-io n8n 0 ~ 1.123.83 -

II. Public POCs for CVE-2026-110844

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-110844

请登录查看更多情报信息。

Other References for CVE-2026-110844 (2)

Same Patch Batch · n8n-io · 2026-10-14 · 14 CVEs total

CVE-2026-110843 8.2 HIGH n8n before 2.41.4 and 2.42.1 Unauthenticated Unbounded OAuth Client Persistence via Author
CVE-2026-110842 7.7 HIGH n8n before 2.41.4 and 2.42.1 Prototype Pollution via MCP Workflow-Validation Interpreter
CVE-2026-110845 7.7 HIGH n8n before 1.123.83, 2.41.4, and 2.42.1 Code Execution via Git Node Log Operation
CVE-2026-110850 7.2 HIGH n8n before 2.41.4 and 2.42.1 Credential Check Bypass via Agent Node Parameters
CVE-2026-110849 7.2 HIGH n8n before 1.123.83, 2.41.4, and 2.42.1 Stored XSS via Binary-Data File Preview
CVE-2026-110853 7.1 HIGH n8n before 1.123.83 Authorization Bypass via Execute Sub-workflow Inline JSON
CVE-2026-110846 7.0 HIGH n8n before 2.41.4 and 2.42.1 Send-and-Wait HMAC Signature Bypass via Waiting-Webhook
CVE-2026-110847 7.0 HIGH n8n before 1.123.83, 2.41.4, and 2.42.1 Stored XSS via Chat Trigger customCss Parameter
CVE-2026-110840 7.0 HIGH n8n before 2.41.4 and 2.42.1 SQL Injection via Microsoft SQL Node Query Field
CVE-2026-110852 6.3 MEDIUM n8n before 1.123.83, 2.41.4, and 2.42.1 Unauthenticated Workflow Execution via Dynamic-Pat
CVE-2026-110851 6.1 MEDIUM n8n before 2.41.4 and 2.42.1 Cross-Project Agent Ownership Transfer via Agents Create Endp
CVE-2026-110841 6.1 MEDIUM n8n before 2.41.4 and 2.42.0 Authorization Bypass in Agent Chat Resume Tool Approval
CVE-2026-110848 6.0 MEDIUM n8n before 1.123.83, 2.41.4, and 2.42.1 Prototype Pollution via AI Workflow Builder Connec

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-110844

No comments yet

Leave a comment