CVE-2026-21877
1 advisory.
npm/n8n CVE-2026-21877: critical 9.9
n8n Vulnerable to RCE via Arbitrary File Write
Action: Upgrade n8n to 1.121.3 or later.
npm i n8n@1.121.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 0.123.0 | 1.121.3 | - |
Fixed versions
| 1.121.3 |
Sources
- osv: GHSA-v364-rw7m-3263
- https://github.com/n8n-io/n8n/security/advisories/GHSA-v364-rw7m-3263
- https://github.com/n8n-io/n8n
CVE-2026-21877 · published · modified · JSON