n8n: N8n before 2.8.0 contains a cross-site scripting vulnerability in the credential management flow…
n8n
- Severity
- Medium, CVSS 5.4
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Record
- CVE-2026-56359
- Affects
- n8n
- Known exploited
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Published
- Record first published by the source
- July 8, 2026
- Source last modified
- July 9, 2026
Description
n8n before 2.8.0 contains a cross-site scripting vulnerability in the credential management flow where authenticated users can inject malicious JavaScript URLs into OAuth2 credential Authorization URL fields. Attackers can craft malicious credentials and trick victims into clicking the OAuth authorization button, executing arbitrary scripts in their browser session with the victim's privileges.
Description quoted from the NVD record.