CVSS 4.0
9.4 criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:LCVE-2026-42232
Critical (9.4) in n8n n8n. EPSS 0.5% chance of exploitation in the next 30 days. Fixed in n8n 1.123.32, 2.17.4, 2.18.1.
n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the XML Node leading to RCE when combined with other nodes exploiting the prototype pollution. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.
Severity
CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-11-01)
- CWE
- CWE-1321
- Published
- Modified
- Record from
- the NVD, synced
Affected
- n8n:n8n
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-hqr4-h3xv-9m3r | npm | n8n | >=2.18.0 <2.18.1 | 2.18.1 |
| GHSA-hqr4-h3xv-9m3r | npm | n8n | >=2.17.0 <2.17.4 | 2.17.4 |
| GHSA-hqr4-h3xv-9m3r | npm | n8n | <1.123.32 | 1.123.32 |