CVE-2026-59206
1 advisory.
npm/n8n CVE-2026-59206: high, EPSS 0.66%
n8n: Prototype Pollution via Workflow Credentials Leads to Unauthenticated User and Project Enumeration
Action: Upgrade n8n to 1.123.61 or later.
npm i n8n@1.123.61npm i n8n@2.28.1npm i n8n@2.27.4Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.123.61 | - |
| 2.28.0 | 2.28.1 | - |
| 2.0.0-rc.0 | 2.27.4 | - |
Fixed versions
| 1.123.61 | 2.28.1 | 2.27.4 |
Sources
- osv: GHSA-75qm-gp28-rcq9
- https://github.com/n8n-io/n8n/security/advisories/GHSA-75qm-gp28-rcq9
- https://nvd.nist.gov/vuln/detail/CVE-2026-59206
- https://github.com/n8n-io/n8n
- https://github.com/n8n-io/n8n/releases/tag/n8n%402.27.4
- https://github.com/n8n-io/n8n/releases/tag/n8n%402.28.1
CVE-2026-59206 · published · modified · JSON