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CVE-2026-9317: Product identification pending

Severity

9.2 (CRITICAL)

Vendor

NANGO BEFORE

Affected versions

Nango prior to 0.71.6

Fixed version

0.71.6

Patch status

Patched

Published

2026-09-04T18:18:07.297

Modified

2026-09-04T18:18:07.297

Why it matters

This critical missing authentication vulnerability allows unauthenticated attackers to achieve Remote Code Execution on the Nango runner tRPC server. This poses a severe risk, as attackers can execute arbitrary JavaScript code, potentially compromising the system. Prioritize systems that are interne

Recommended admin actions

• Upgrade Nango to version 0.71.6 or later immediately.
• Review network access controls for the runner port to limit exposure.
• Inspect logs for unauthorized access or suspicious activity related to the runner tRPC server.
• Verify the RUNNER_SECRET_KEY environment variable is enforced and configured correctly where applicable.

Technical summary

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.

View the official NVD record for CVE-2026-9317

AI-enriched (HIGH confidence). Validate against the vendor advisory before taking production action.