n8n - Cross-Site Scripting in Credential Management OAuth2 Authorization URL
Exact source revision recorded 29 Oct 2026 22:48:55 UTC. It does not establish the source's current position. Latest evidence.
cve-program · CVE-2026-56359
Publishedn8n 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.
- Source published
- 8 Jul 2026 13:49:02 UTC
- Source modified
- 29 Oct 2026 21:15:48 UTC
- Observed here
- 29 Oct 2026 22:48:55 UTC
- Source terms
- CVE Program Terms of Use
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CVSS 4.0 · 4.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
CVSS 3.1 · 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N