What is CVE-2026-45255?

CVE-2026-45255 is a high-severity vulnerability in Freebsd, classified under OS Command Injection. CVSS score: 7.5/10. Published 2026-05-21.

How severe is CVE-2026-45255?

High severity. CVSS v3 base score is 7.5 out of 10.

RCE in Freebsd

CVE-2026-45255

When bsdinstall or bsdconfig are prompted to scan for nearby Wi-Fi networks, they build up a list of network names and use bsddialog(1) to prompt the user to select a network. This is implemented using a shell script, and the code which h…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.000 (1.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Freebsd — versions 14.3, 15.0, 14.4-RELEASE

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

secteam@freebsd.org (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-45255?: CVE-2026-45255 is a high-severity vulnerability in Freebsd, classified under OS Command Injection. CVSS score: 7.5/10. Published 2026-05-21.
How severe is CVE-2026-45255?: High severity. CVSS v3 base score is 7.5 out of 10.