CVE•Published 2026-04-21•Modified 2026-04-23•1 article on news•6 live references•NVD data
CVE-2026-39866Lawnchair · Lawnchair
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
Lawnchair is a free, open-source home app for Android. Prior to commit fcba413f55dd47f8a3921445252849126c6266b2, command injection in release_update.yml workflow dispatch input allows arbitrary code execution. Commit fcba413f55dd47f8a3921445252849126c6266b2 patches the issue.
Timeline
Published 2026-04-21
Modified 2026-04-23
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-2026-39866Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Lawnchair Lawnchair"All exposed Lawnchair Lawnchair instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Lawnchair"HTTP body or banner mentions "Lawnchair" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-39866Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-39866Censys host search filtered to this CVE id.
grep.app
CVE-2026-39866Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-39866GitHub code search for direct mentions.
Google dork
"CVE-2026-39866" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.