CVE-2026-56354GHSA-W673-8FJW-457C
n8n - Cross-Site Scripting and Open Redirect in Form Node
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 1.123.24, 2.10.4, 2.12.0
- 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 1.123.24, 2.10.4, and 2.12.0 (across its 1.x and 2.x branches) contains cross-site scripting and open redirect vulnerabilities in the Form Node due to unsanitized HTML description fields and overly permissive iframe sandbox policies. Authenticated users with workflow creation permissions can inject malicious scripts or redirect parameters to perform stored XSS attacks or phishing redirects against end users.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- n8n n8n
fixed in 1.123.24; From 2.0.0-rc.0 · fixed in 2.10.4; From 2.11.0 · fixed in 2.12.0
- n8n n8n
From 2.0.0-rc.0 · fixed in 2.10.4
- n8n n8n
fixed in 1.123.24
- n8nnpm
From 2.11.0 · fixed in 2.12.0
- n8nnpm
From 2.0.0-rc.0 · fixed in 2.10.4
- n8nnpm
fixed in 1.123.24