# @orpc/client (npm) vulnerabilities

1 known vulnerability (1 critical), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 1.16.2 (Nov 6, 2026): no advisory affects it
- Newest unaffected release: 1.16.2 (Nov 6, 2026), the latest release
- Weekly downloads: 3.2M
- Dependents: 632
- Releases: 500+ since 1.6.8 (Jul 11, 2025)
- Registry: https://www.npmjs.com/package/@orpc/client
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-28794: 0.0.0-next.2527975 to 1.13.5 (1.13.6 is outside it)

Older releases aren't stored, so the earliest spans may start sooner.

## Advisories (1)

### [CVE-2026-28794](https://cve.now/CVE-2026-28794): oRPC: Prototype Pollution in \`@orpc/client\` via \`StandardRPCJsonSerializer\` Deserialization

- Severity: Critical 9.3
- Published: Mar 6, 2026
- Affected: fixed in 1.13.6.
- Fixed in 1.13.6 (released Mar 2, 2026, 4 days before disclosure).
- The latest release, 1.16.2, is not affected.
- 2.6% of @orpc/client downloads last week were affected versions (87.6K).

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