CVE-2026-25791
Sliver has DNS C2 OTP Bypass that Allows Unauthenticated Session Flooding and Denial of Service in github.com/bishopfox/sliver
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.
How to fix CVE-2026-25791
To remediate CVE-2026-25791, upgrade the affected package to a fixed version below.
- —upgrade to 1.6.12 or later
- —no fix listed
Is CVE-2026-25791 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.6.12
- from 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 |