Detections
Analytics
SCA: security update for n8n (GHSA-v364-rw7m-3263)
critical Tenable Self-Hosted Container Security Plugin ID 436595
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- n8n is an open source workflow automation platform. In versions 0.121.2 and below, an authenticated
attacker may be able to execute malicious code using the n8n service. This could result in full compromise
and can impact both self-hosted and n8n Cloud instances. This issue is fixed in version 1.121.3.
Administrators can reduce exposure by disabling the Git node and limiting access for untrusted users, but
upgrading to the latest version is recommended. (CVE-2026-21877)
See Also
Plugin Details
Severity: Critical
ID: 436595
Version: Revision 1.17
Type: Local
Family: SCA Checks
Published: 1/6/2026
Updated: 7/8/2026
Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: High
Score: 7.7
Percentile: 99.06
Vendor
Vendor Severity: Critical
CVSS v2
Risk Factor: High
Base Score: 9
Temporal Score: 7
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
CVSS Score Source: CVE-2026-21877
CVSS v3
Risk Factor: Critical
Base Score: 9.9
Temporal Score: 8.9
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 1/6/2026
Vulnerability Publication Date: 1/6/2026
Reference Information
CVE: CVE-2026-21877
cwe: CWE-434