CVE-2026-18451 (CVSS 3.1)

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.

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CVSS v3.1 Score

3.1

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0015

Probability of exploitation

0.04%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-337 CWE-337

References

Other References

https://www.supermicro.com/en/support/security_BMC_IPMI_Oct_2026_1

Frequently Asked Questions

What is CVE-2026-18451? +

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. It has a CVSS v3.1 base score of 3.1 (LOW).

How severe is CVE-2026-18451? +

CVE-2026-18451 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0015, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-18451? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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