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CVE-2026-56359

n8n - Cross-Site Scripting in Credential Management OAuth2 Authorization URL PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
n8n / n8naffected 0 before 2.8.0; unaffected 2.8.0
n8n / n8naffected 0 before 2.6.4; unaffected 2.6.4

CWE

CWE-79

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.