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CVE-2026-42228

🗓️ 04 May 2026 18:27:06Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views🌐 WEB

Unauthenticated attacker can hijack a waiting workflow chat execution via the /chat WebSocket endpoint.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
GithubExploit
Exploit for Missing Authorization in N8N
7 May 202600:59
githubexploit
ATTACKERKB
CVE-2026-42228
4 May 202618:27
attackerkb
Circl
CVE-2026-42228
7 May 202601:00
circl
CNNVD
n8n 安全漏洞
4 May 202600:00
cnnvd
Cvelist
CVE-2026-42228 n8n: Hijacking of Unauthenticated Chat Execution
4 May 202618:27
cvelist
EUVD
EUVD-2026-27096
4 May 202618:27
euvd
Github Security Blog
n8n Vulnerable to Hijacking of Unauthenticated Chat Execution
29 Apr 202621:17
github
NVD
CVE-2026-42228
4 May 202619:16
nvd
OSV
GHSA-F77H-J2V7-G6MW n8n Vulnerable to Hijacking of Unauthenticated Chat Execution
29 Apr 202621:17
osv
Positive Technologies
PT-2026-36900
4 May 202600:00
ptsecurity
Rows per page
NVD
Vulners
Node
n8nn8nRange<1.123.32enterprisenode.js
OR
n8nn8nRange2.17.02.17.4enterprisenode.js
OR
n8nn8nMatch2.18.0enterprisenode.js
[
  {
    "vendor": "n8n-io",
    "product": "n8n",
    "versions": [
      {
        "version": "< 1.123.32",
        "status": "affected"
      },
      {
        "version": ">= 2.17.0, < 2.17.4",
        "status": "affected"
      },
      {
        "version": ">= 2.18.0, < 2.18.1",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
executionIdquery param/chatUnauthenticated attacker can access a waiting execution via the WebSocket /chat by supplying a valid executionId in the query string, hijacking the workflow.CWE-862

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06 May 2026 18:08Current
6Medium risk
Vulners AI Score6
CVSS 3.16.5
CVSS 46.3
EPSS0.0009
SSVC
5