CVE-2026-56359GHSA-364X-8G5J-X2PR
n8n - Cross-Site Scripting in Credential Management OAuth2 Authorization URL
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 2.8.0, 2.6.4
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published1 day
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
112 days - Record last updated
Affected versions
- n8n n8n
From 2.7.0 · fixed in 2.8.0
- n8n n8n
fixed in 2.6.4
- n8nnpm
From 2.7.0 · fixed in 2.8.0
- n8nnpm
fixed in 2.6.4