CVE-2026-44789
Last modified
CVE-2026-44789 is a critical-severity vulnerability rated 9.4/10 on the CVSS scale. n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via an unvalidated pagination parameter in the HTTP Request node. EPSS estimates a 0.63% chance of exploitation in the next 30 days.
Description
n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via an unvalidated pagination parameter in the HTTP Request node. Combined with other techniques this could lead to RCE on the instance. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| N8n | N8n | < 1.123.43 |
| N8n | N8n | >= 2.0.0, < 2.20.7 |
| N8n | N8n | >= 2.21.0, < 2.22.1 |
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-c8xv-5998-g76hMitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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