CVE-2026-9317 Details
Description
Nango before 0.71.6 contains a missing authentication vulnerability in the runner tRPC server that allows unauthenticated attackers to execute arbitrary JavaScript code by invoking the exposed start procedure without credentials. Attackers with network access to the runner port can send requests to the unauthenticated start procedure, bypassing the unenforced RUNNER_SECRET_KEY environment variable, to achieve remote code execution within the runner process.
A missing authentication vulnerability has been identified in Nango versions prior to 0.71.6, specifically within the runner tRPC server. This vulnerability allows unauthenticated attackers to execute arbitrary JavaScript code by invoking the exposed start procedure without credentials. Attackers with network access to the runner port can send requests to this unauthenticated start procedure, bypassing the unenforced RUNNER_SECRET_KEY environment variable, and achieve remote code execution within the runner process.
Users can upgrade to Nango version 0.71.6 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 4, 2026CISA-ADP
Assessed Sep 8, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/NangoHQ/nango/commit/ed3030a9a0f8e4f3810fd10cb3a1905a2f5f87d2 | [email protected] | Source CodeVendor |
| https://github.com/NangoHQ/nango/pull/7288 | [email protected] | Issue TrackingVendor |
| https://github.com/NangoHQ/nango/releases/tag/v0.71.6 | [email protected] | Release NotesVendor |
| https://www.vulncheck.com/advisories/nango-missing-authentication-rce-via-runner-trpc-server | [email protected] | AdvisoryRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-306 | Missing Authentication for Critical Function | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Nango | < 0.71.6 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 8, 2026 | CVE Modified | CISA-ADP |
| Sep 4, 2026 | New CVE Received | [email protected] |