CVE-2026-103259 n8n before 2.39.6 and 2.40.x before 2.40.1 Session Token Leak via Dynamic Credentials
| Reporter | Title | Published | Views | Family All 5 |
|---|---|---|---|---|
 | CVE-2026-103259 | 1 Oct 202610:42 | – | cve |
 | EUVD-2026-90653 | 1 Oct 202610:42 | – | euvd |
 | CVE-2026-103259 | 1 Oct 202611:17 | – | nvd |
 | PT-2026-103792 | 1 Oct 202600:00 | – | ptsecurity |
 | CVE-2026-103259 n8n before 2.39.6 and 2.40.x before 2.40.1 Session Token Leak via Dynamic Credentials | 1 Oct 202610:42 | – | vulnrichment |
[
{
"vendor": "n8n-io",
"product": "n8n",
"defaultStatus": "unaffected",
"packageURL": "pkg:npm/n8n",
"versions": [
{
"version": "0",
"status": "affected",
"versionType": "semver",
"lessThan": "2.39.6"
},
{
"version": "2.40.0",
"status": "affected",
"versionType": "semver",
"lessThan": "2.40.1"
}
]
}
]Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
01 Oct 2026 10:42Current
CVSS 3.17.6
CVSS 48.5