CVE-2026-18451 json
Supermicro BMC's iKVM feature is vulnerable to KVM session hijacking due to a predictable time-seeded launch token
published 2026-10-27 13 d ago modified 2026-11-04 4 d ago also EUVD-2026-110634
- cvss
- 3.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 4%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 4 d ago
Exploit prediction
0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N |
Affected products
- SMCI MBD-X12SPI
Classification
- Weakness
-
- CWE-337 Predictable Seed in Pseudo-Random Number Generator (PRNG)
References
Sources
- CVE List CVE-2026-18451
- NVD CVE-2026-18451
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