# CVE-2023-28436: Non-interactive Tailscale SSH sessions on FreeBSD may use the effective group ID of the tailscaled process

Source: https://junglewise.ai/threats/cve-2023-28436-non-interactive-tailscale-ssh-sessions-on-freebsd-may-use-the  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-08-20  
License: CC BY 4.0 with a link back

CVE-2023-28436 · Severity: low · CVSS 3 · Published 2024-08-20

Non-interactive Tailscale SSH sessions on FreeBSD may use the effective group ID of the tailscaled process in tailscale.com

Technologies: [tailscale.com (Go)](https://junglewise.ai/threats/technologies/tailscale-com). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2023-28436 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-28436 being exploited in the wild.

**How severe is CVE-2023-28436?** Low severity, with a CVSS score of 3, published 20 August 2024.

**Which products and versions are affected?** tailscale.com (Go) SEMVER:introduced=1.34.0,fixed=1.38.2.

**Is there a fix for CVE-2023-28436?** Yes. tailscale.com (Go): upgrade to 1.38.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-28436?** Check whether you run tailscale.com (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- tailscale.com (Go): upgrade to 1.38.2 or later

  ```sh
  go get tailscale.com@v1.38.2
  ```


## Affected products

- tailscale.com (Go) SEMVER:introduced=1.34.0,fixed=1.38.2

## Identifiers

- CVE-2023-28436
- GHSA-vfgq-g5x8-g595
- GO-2023-1671

## Related threats

- [GO-2022-1119 - Tailscale daemon is vulnerable to information disclosure via CSRF in tailscale.com](https://junglewise.ai/threats/cve-2022-41925-tailscale-daemon-is-vulnerable-to-information-disclosure-via-csrf)
- [GO-2022-1120 - Tailscale Windows daemon is vulnerable to RCE via CSRF in tailscale.com](https://junglewise.ai/threats/cve-2022-41924-tailscale-windows-daemon-is-vulnerable-to-rce-via-csrf)