# github.com/temporalio/s2s-proxy (Go) vulnerabilities

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

## At a glance

- Latest release: v0.3.1 (Oct 26, 2026): no advisory affects it
- Newest unaffected release: v0.3.1 (Oct 26, 2026), the latest release
- Releases: 31 since v0.1.0 (Mar 10, 2025)
- Registry: https://pkg.go.dev/github.com/temporalio/s2s-proxy
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-96770: v0.0.1-alpha to v0.2.2 (v0.2.3 is outside it)

## Advisories (1)

### [CVE-2026-96770](https://cve.now/CVE-2026-96770): s2s-proxy accepts untrusted client certificates

- Severity: Critical 9.3
- Published: Sep 23, 2026
- Affected: from 0.0.1-alpha, through 0.2.2.
- Fixed in v0.2.3 (released Sep 23, 2026, the day of disclosure), the first release outside every affected range (no listed fixed version clears them all).
- The latest release, v0.3.1, is not affected.

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