CVE•Published 2026-04-10•Modified 2026-04-13•0 articles on news•5 live references•NVD data
CVE-2026-33456
Vulnerability data via NVD (ingested)
CVSS v3.1
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EPSS percentile
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Weaknesses (CWE)
Description
Livestatus injection in the notification test mode in Checkmk <2.5.0b4 and <2.4.0p26 allows an authenticated user with access to the notification test page to inject arbitrary Livestatus commands via a crafted service description.
Timeline
Published 2026-04-10
Modified 2026-04-13
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-2026-33456Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-33456Censys host search filtered to this CVE id.
grep.app
CVE-2026-33456Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-33456GitHub code search for direct mentions.
Google dork
"CVE-2026-33456" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (1)
We haven't classified any articles referencing CVE-2026-33456 yet. The external references above still apply.