SCA: security update for github.com/bishopfox/sliver (GHSA-6fpf-248c-m7wm)

medium Tenable Cloud Security Plugin ID 439558

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Sliver is a command and control framework that uses a custom Wireguard netstack. Prior to version 1.7.4, a
single click on a malicious link gives an unauthenticated attacker immediate, silent control over every
active C2 session or beacon, capable of exfiltrating all collected target data (e.g. SSH keys, ntds.dit)
or destroying the entire compromised infrastructure, entirely through the operator's own browser. This
issue has been patched in version 1.7.4. (CVE-2026-34227)

Solution

Update the github.com/bishopfox/sliver library and its related packages to version 1.7.4 or later.

See Also

https://github.com/advisories/GHSA-6fpf-248c-m7wm

Plugin Details

Severity: Medium

ID: 439558

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 4/1/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.88

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-34227

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 5.9

Threat Score: 5.3

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/31/2026

Vulnerability Publication Date: 3/31/2026

Reference Information

CVE: CVE-2026-34227