CVE•Published 2026-08-19•Modified 2026-10-27•1 article on news•5 live references•NVD data
CVE-2026-58086Freebsd · Freebsd
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS percentile
31
Exploit Prediction Scoring System · top 69% of all CVEs
Weaknesses (CWE)
Description
As an inadvertent side effect of an unrelated code change, PRIV_KTRACE was always denied to a jailed root user. Tracing configured by a jailed root user was therefore not flagged as privileged. An unprivileged user in a jail that has permission to debug the target process can modify the jailed root user's ktrace(2) flags, or disable tracing outright. A jailed root user therefore cannot reliably trace unprivileged processes.
Timeline
Published 2026-08-19
Modified 2026-10-27
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag176 hosts
vuln:CVE-2026-58086Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Freebsd"Hosts Shodan identified as running Freebsd.
More intel sources (5)
Shodan report
vuln:CVE-2026-58086Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-58086Censys host search filtered to this CVE id.
grep.app
CVE-2026-58086Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-58086GitHub code search for direct mentions.
Google dork
"CVE-2026-58086" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.