Orval: Import-time RCE via query-parameter default -> zod module-level template literal — GHSA-P4CG-3328-RVFG

Summary

### Summary Orval's zod schema generation emits the **query-parameter** `default` value as a module-level template literal (`export const …Default = `<default>`;`) without escaping `${` or the backtick. A default of the form `v${<code>}w` injects a live JavaScript expression evaluated when the generated zod schema module is imported, executing attacker-controlled code at import — no request or function call needed.…

Timeline

Published by source

2026-09-02

Risk context

• Reported severity or threat level: critical.
• Reported CVSS score: 9.3 out of 10.
• Reported EPSS value: 0.00523.
• Review exposure for the affected product or family: npm: orval.

Product

npm: orval

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

GHSA-P4CG-3328-RVFG

Source

GitHub

Vendor

GitHub

Published by source

2026-09-02

Last source activity

2026-09-02

Additional identifiers

CVE-2026-72716

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.