CVE-2026-18451

Supermicro BMC's iKVM feature is vulnerable to KVM session hijacking due to a predictable time-seeded launch token

Published Oct 27, 2026 CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
Description
The HTML5 KVM-over-IP console authenticates with a token returned by the web interface. Weaknesses in token generation may allow an attacker to guess the session token and take control of the KVM session.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Smci
Smci mbd-x12spi
Vendors & Products Smci
Smci mbd-x12spi
Type Values Removed Values Added
Description The HTML5 KVM-over-IP console authenticates with a token returned by the web interface. Weaknesses in token generation may allow an attacker to guess the session token and take control of the KVM session.
Title Supermicro BMC's iKVM feature is vulnerable to KVM session hijacking due to a predictable time-seeded launch token
Weaknesses CWE-337
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Supermicro
Published
Updated
Nov 4, 2026, 2:59 PM
Reserved
Jul 31, 2026, 5:37 AM
Status
Awaiting Analysis
Published
Oct 27, 2026, 8:16 AM
Modified
Nov 4, 2026, 3:17 PM