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CVE-2026-21877

🗓️ 08 Jan 2026 00:39:58Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 6 Media mentions👁 204 Views

Authenticated attackers can execute malicious code in versions 0.121.2 and below, risking full compromise; upgrade to 1.121.3.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-21877
8 Jan 202613:15
–githubexploit
bdu_fstec
BDU FSTEC
N8n Automation Platform Code Generation
28 Jan 202600:00
–bdu_fstec
circl
Circl
CVE-2026-21877
7 Jan 202606:27
–circl
cnnvd
CNNVD
n8n code issue vulnerabilities
8 Jan 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-21877 n8n is vulnerable to Remote Code Execution via Arbitrary File Write
8 Jan 202600:39
–cvelist
euvd
EUVD
EUVD-2026-1037
8 Jan 202600:39
–euvd
github
Github Security Blog
n8n Vulnerable to RCE via Arbitrary File Write
6 Jan 202617:48
–github
hackread
HackRead
n8n Users Urged to Patch CVSS 10.0 Full System Takeover Vulnerability
8 Jan 202620:02
–hackread
kitploit
Kitploit
CVE-2026-21877
30 Oct 202616:12
–kitploit
kitploit
Kitploit
cve-2026-21877-rce
31 Oct 202609:33
–kitploit
Rows per page
NVD
Vulners
Node
n8nn8nRange0.123.0–1.121.3node.js
[
  {
    "vendor": "n8n-io",
    "product": "n8n",
    "versions": [
      {
        "version": "< 1.121.3",
        "status": "affected"
      }
    ]
  }
]

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17 Jun 2026 10:19Current
8.7High risk
Vulners AI Score8.7
CVSS 3.19.9
EPSS0.05449
SSVC
204