Threats Tagged 'cve-2026-25791'
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Threats Tagged 'cve-2026-25791'
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0 CVE-2026-25791 is a high-severity vulnerability in BishopFox's Sliver C2 framework versions prior to 1.7.0. The DNS C2 listener accepts unauthenticated TOTP bootstrap messages, allowing remote attackers to create server-side DNS sessions without validating OTPs, even when EnforceOTP is enabled. These sessions lack cleanup or expiry, enabling attackers to exhaust server memory by repeatedly creating sessions. This vulnerability impacts availability but does not affect confidentiality or integrity. No authentication or user interaction is required, and exploitation can be performed remotely over the network. The issue is fixed in Sliver version 1.7.0. Join the discussion | CVE Database V5 | 02/09/2026, 20:34:31 UTC Added: 02/09/2026, 20:46:16 UTC |
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