CVE-2026-65597
CVE-2026-65597 · n8n before 1.123.64 DOM-Based XSS via Unsandboxed iframe
This page contains facts from public vulnerability sources. Check the original advisory before updating.
n8n before 1.123.64, 2.x before 2.29.8, and before 2.30.1 contains a DOM-based cross-site scripting vulnerability in the HTML preview, which renders execution output into an iframe srcdoc without the sandbox attribute. A sanitizer bypass allows injected script to execute same-origin as the editor. When a victim opens the preview, the script can call authenticated APIs using the victim's session. An account with global:member privileges can exploit the issue.
CVSS 8.2 · High · EPSS 0.3% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
n8n
- Versions
- ≥ 0, < 1.123.64: Affected (semver)
- 1.123.64: Not affected (semver)
Update to 1.123.64
n8n
- Versions
- ≥ 0, < 2.30.1: Affected (semver)
- 2.30.1: Not affected (semver)
Update to 2.30.1
n8n
- Versions
- ≥ 0, < 2.29.8: Affected (semver)
- 2.29.8: Not affected (semver)
Update to 2.29.8
n8n npm
- Affected ranges
- SEMVER: < 1.123.64
Update to 1.123.64
n8n npm
- Affected ranges
- SEMVER: ≥ 2.30.0, < 2.30.1
Update to 2.30.1
n8n npm
- Affected ranges
- SEMVER: ≥ 2.0.0-rc.0, < 2.29.8
Update to 2.29.8