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CVE-2026-42228 n8n: Hijacking of Unauthenticated Chat Execution

🗓️ 04 May 2026 18:27:06Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 99 Views

Unauthenticated users can hijack n8n chat execution by attaching to a waiting workflow; patched.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for Missing Authorization in N8N
7 May 202600:59
–githubexploit
attackerkb
attackerkb
CVE-2026-42228
4 May 202618:27
–attackerkb
bdu_fstec
BDU FSTEC
N8n Hosted Chat Trigger Unauthorized Access
18 May 202600:00
–bdu_fstec
circl
Circl
CVE-2026-42228
7 May 202601:00
–circl
cnnvd
CNNVD
n8n 安全漏洞
4 May 202600:00
–cnnvd
cve
CVE
CVE-2026-42228
4 May 202618:27
–cve
euvd
EUVD
EUVD-2026-27096
4 May 202618:27
–euvd
github
Github Security Blog
n8n Vulnerable to Hijacking of Unauthenticated Chat Execution
29 Apr 202621:17
–github
kitploit
Kitploit
CVE-2026-42228
15 Oct 202619:29
–kitploit
mend
Mend
CVE-2026-42228
4 May 202618:27
–mend
Rows per page
[
  {
    "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"
      }
    ]
  }
]

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04 May 2026 18:27Current
CVSS 46.3
EPSS0.00453
SSVC
99