CVE•Published 2026-02-10•1 article on news•6 live references•NVD data
CVE-2026-21516
Vulnerability data via CVEDB (Shodan)
CVSS v3.1
8.8
HIGH
EPSS percentile
52
Exploit Prediction Scoring System · top 48% of all CVEs
Description
Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an unauthorized attacker to execute code over a network.
Timeline
Published 2026-02-10
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).
Shodan · vuln tag0 hosts
vuln:CVE-2026-21516Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Microsoft Github Copilot" version:"1.0.1"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Github Copilot"HTTP body or banner mentions "Github Copilot" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-21516Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-21516Censys host search filtered to this CVE id.
grep.app
CVE-2026-21516Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-21516GitHub code search for direct mentions.
Google dork
"CVE-2026-21516" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.