CVE-2026-25791

HIGH7.5EPSS 0.03%

Sliver has DNS C2 OTP Bypass that Allows Unauthenticated Session Flooding and Denial of Service in github.com/bishopfox/sliver

Published: 2/6/2026Modified: 2/19/2026

Also known as:GHSA-wxrw-gvg8-fqjpGO-2026-4466

Description

Sliver has DNS C2 OTP Bypass that Allows Unauthenticated Session Flooding and Denial of Service in github.com/bishopfox/sliver. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/bishopfox/sliver before v1.6.12.

Affected packages (2)

Go/github.com/bishopfox/sliverfrom 0, < 1.6.12
Go/github.com/bishopfox/sliverfrom 0

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (5)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-25791
PATCHhttps://github.com/BishopFox/sliver
WEBhttps://github.com/BishopFox/sliver/commit/2b65089b27c553e79e69f1067cad1339e4f3d937
WEBhttps://github.com/BishopFox/sliver/releases/tag/v1.7.0
WEBhttps://github.com/BishopFox/sliver/security/advisories/GHSA-wxrw-gvg8-fqjp