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FreeBSD : tailscale -- Multiple vulnerabilities (272a2772-8367-11f1-82b9-901b0e9408dc)

high Nessus Plugin ID 327824

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 272a2772-8367-11f1-82b9-901b0e9408dc advisory.

 Tailscale team reports:
 Tailscale SSH Unix socket forwarding respects symlink permissions. This fix addresses a security vulnerability described in TS-2026-004.
 Tailscale Serve Unix socket proxy targets are restricted to the root user. This fix addresses a security vulnerability described in TS-2026-005.
 Tailscale SSH does not allow the use of UIDs or numeric-only usernames. This fix addresses a security vulnerability described in TS-2026-006.
 Nodes advertising Tailscale Services filter and reject packets from service IPs on ports they do not advertise. This fix addresses a security vulnerability described in TS-2026-007.
 Tailscale Serve and Tailscale Funnel terminate path walks for non-absolute paths, preventing CPU core pinning. This fix addresses a security vulnerability described in TS-2026-008.
 Tailscale SSH does not allow the use of usernames with leading dashes. This fix addresses a security vulnerability described in TS-2026-009.

Tenable has extracted the preceding description block directly from the FreeBSD security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://tailscale.com/changelog#2026-07-14

http://www.nessus.org/u?b99378ad

Plugin Details

Severity: High

ID: 327824

File Name: freebsd_pkg_272a2772836711f182b9901b0e9408dc.nasl

Version: 1.1

Type: Local

Published: 7/19/2026

Updated: 7/19/2026

Supported Sensors: Nessus

Vulnerability Information

CPE: cpe:/o:freebsd:freebsd, p-cpe:/a:freebsd:freebsd:tailscale

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 7/19/2026

Vulnerability Publication Date: 6/3/2026