CVE-2026-34227

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/BishopFox/sliver/security/advisories/GHSA-6fpf-248c-m7wm	Exploit Vendor Advisory
https://github.com/BishopFox/sliver/security/advisories/GHSA-6fpf-248c-m7wm	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:bishopfox:sliver:*:*:*:*:*:*:*:*

History

03 Apr 2026, 14:54

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8
References	~~() https://github.com/BishopFox/sliver/security/advisories/GHSA-6fpf-248c-m7wm -~~	() https://github.com/BishopFox/sliver/security/advisories/GHSA-6fpf-248c-m7wm - Exploit, Vendor Advisory
CPE		cpe:2.3:a:bishopfox:sliver::::::::
First Time		Bishopfox sliver Bishopfox

01 Apr 2026, 14:16

Type	Values Removed	Values Added
References	~~() https://github.com/BishopFox/sliver/security/advisories/GHSA-6fpf-248c-m7wm -~~	() https://github.com/BishopFox/sliver/security/advisories/GHSA-6fpf-248c-m7wm -

31 Mar 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-31 16:16

Updated : 2026-04-03 14:54

NVD link : CVE-2026-34227

Mitre link : CVE-2026-34227

CVE.ORG link : CVE-2026-34227

JSON object : View

Products Affected

bishopfox

sliver

CWE

CWE-306

Missing Authentication for Critical Function

CWE-942

Permissive Cross-domain Policy with Untrusted Domains

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