CVE•Published 2026-04-10•Modified 2026-04-27•0 articles on news•5 live references•NVD data
CVE-2026-40223Systemd_project · Systemd
Vulnerability data via NVD (ingested)
CVSS v3.1
4.7
MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS percentile
3
Exploit Prediction Scoring System · top 97% of all CVEs
Weaknesses (CWE)
Description
In systemd 258 before 260, a local unprivileged user can trigger an assert when a Delegate=yes and User=<unset> unit exists and is running.
Timeline
Published 2026-04-10
Modified 2026-04-27
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 tag0 hosts
vuln:CVE-2026-40223Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Systemd Project Systemd"All exposed Systemd Project Systemd instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Systemd"HTTP body or banner mentions "Systemd" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-40223Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-40223Censys host search filtered to this CVE id.
grep.app
CVE-2026-40223Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-40223GitHub code search for direct mentions.
Google dork
"CVE-2026-40223" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-40223 on GitHub.
We haven't classified any articles referencing CVE-2026-40223 yet. The external references above still apply.