critical severityConfidence highHistorical record

Nango runner missing auth lets remote callers run code

Direct answer

Nango runner missing auth lets remote callers run code, also tracked as CVE-2026-9317 / Nango runner tRPC RCE is a critical-severity threat campaign HOL Guard tracked from Sep 4, 2026 to Sep 4, 2026, verified against 4 primary sources and last reviewed Sep 20, 2026. Active tracking has ended and the record remains published as a permanent historical research record.

Nango before 0.71.6 is missing authentication on the runner tRPC server, allowing anyone who can reach the runner to execute code. Fixed in 0.71.6.

Also tracked as CVE-2026-9317 · Nango runner tRPC RCE

First observed
Sep 4, 2026
Last observed
Sep 4, 2026
Last reviewed
Sep 20, 2026
Tracking ended
Sep 4, 2026

Uncertainty and limitations

Read the evidence limits before acting on this record.

Confirm network exposure of the runner endpoint in your deployment.

  • Requires network reachability to the Nango runner tRPC server.
  • Fixed version 0.71.6 from pack/release evidence.
  • HOL blog is operator guidance, not a substitute for upstream advisories.

Guard coverage and policy

What Guard's reviewed assertions do and do not claim for this campaign, and the reviewed starting points for defense.

No Guard coverage mapping or campaign-specific policy guidance is published for this record.

Safe next step. Campaign guidance is defensive context. It does not auto-apply policy or claim universal campaign coverage.

Timeline

Reviewed events, oldest first, each tied to a verified source.

  1. Disclosure

    CVE-2026-9317 Nango runner missing auth RCE disclosed.

    Sources:VulnCheck Nango advisory·NVD CVE-2026-9317

  2. Update

    HOL Guard published operator blog coverage for CVE-2026-9317.

    Source:HOL Guard operator write-up

Publication clock: 403.0 hours from reviewed disclosure timestamp to HOL publication; 12-hour critical target; historical backfill outside target.

Reviewed artifacts

The specific artifacts this record concerns, as reviewed. Names and versions are shown as text; a registry link is not recorded here.

  • nango@>=0 <0.71.6npmpackage

Sources

Every claim on this record is traceable to the sources below.

Campaign questions, answered

Nango before 6 is missing authentication on the runner tRPC server, allowing anyone who can reach the runner to execute code. HOL Guard tracked the campaign from Sep 4, 2026 to Sep 4, 2026.

No. Active tracking ended Sep 4, 2026; this page remains as a labeled historical research record and does not imply the threat is currently active.

The record cites 4 primary sources, names 1 reviewed artifact, and was last fully reviewed Sep 20, 2026 by HOL Guard Security Publishing. Its uncertainty and limitations are stated on the record itself.

Campaign guidance is defensive context. It does not auto-apply policy or claim universal campaign coverage.

The permalink above is permanent. The full record can be downloaded from this page as JSON, an artifact CSV, and a STIX 2.1 bundle, and corrections can be requested through the published correction path on the record. Confirm network exposure of the runner endpoint in your deployment.

Reviewed in full by HOL Guard Security Publishing.

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Last modified

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Record HGTC-2026-33892044