SB2026020966 - Improper authenitcation in n8n Stripe Trigger node
Published: February 9, 2026
Security Bulletin ID
SB2026020966
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Authentication bypass by spoofing (CVE-ID: CVE-2026-21894)
CWE-ID: CWE-290 - Authentication Bypass by Spoofing
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to missing authentication checks in Stripe Trigger node. A remote non-authenticated attacker can send a specially crafted HTTP POST request to the application and gain access to sensitive information or perform certain actions with the application.
Remediation
Install update from vendor's website.