CVE•Published 2026-09-10•Modified 2026-09-10•0 articles on news•4 live references•NVD data
CVE-2026-84042
Vulnerability data via NVD (ingested)
CVSS v3.1
7.8
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS percentile
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Weaknesses (CWE)
Description
A flaw was found in crun. When crun is built with libkrun and a container is started rootful with passt networking (krun.use_passt), crun can execute attacker-controlled payload from the container image with host root privileges. The issue is a regression in crun 1.29. It affects crun >= 1.29
Timeline
Published 2026-09-10
Modified 2026-09-10
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).
More intel sources (5)
Shodan report
vuln:CVE-2026-84042Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-84042Censys host search filtered to this CVE id.
grep.app
CVE-2026-84042Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-84042GitHub code search for direct mentions.
Google dork
"CVE-2026-84042" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-84042 on GitHub.
We haven't classified any articles referencing CVE-2026-84042 yet. The external references above still apply.