CVE•Published 2026-04-09•Modified 2026-04-13•1 article on news•5 live references•NVD data
CVE-2026-4436
Vulnerability data via NVD (ingested)
CVSS v3.1
8.6
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
EPSS percentile
—
Weaknesses (CWE)
Description
A low-privileged remote attacker can send Modbus packets to manipulate register values that are inputs to the odorant injection logic such that too much or too little odorant is injected into a gas line.
Timeline
Published 2026-04-09
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-2026-4436Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-4436Censys host search filtered to this CVE id.
grep.app
CVE-2026-4436Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-4436GitHub code search for direct mentions.
Google dork
"CVE-2026-4436" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (4)
CVE-2026-44364 repos
oslook/n8n-workflowsunknown
4200 + Workflow Automation Templates are Grouped by Categories/Services for easy navigation
liuzhen9320/zstarunknown
They said organizing stars was extremely troublesome, so I lent a hand.
coloredcapabilities/colored-artifactPython
Masriyan/semarGo
Sistem Evaluasi Multi-Agen untuk Risk, konfigurasi & keAmanan aI (A Multi-Agent Evaluation System for Risk, configuration & AI security.) So SEMAR is at once a cultural homage, a …