CVE•Published 2026-03-31•Modified 2026-06-16•1 article on news•6 live references•NVD data
CVE-2026-34040Docker · Engine
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS percentile
94
Exploit Prediction Scoring System · top 6% of all CVEs
Weaknesses (CWE)
Description
Moby is an open source container framework. Prior to version 29.3.1, a security vulnerability has been detected that allows attackers to bypass authorization plugins (AuthZ). This issue has been patched in version 29.3.1.
Timeline
Published 2026-03-31
Modified 2026-06-16
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-2026-34040Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Docker Engine"All exposed Docker Engine instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Engine"HTTP body or banner mentions "Engine" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-34040Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-34040Censys host search filtered to this CVE id.
grep.app
CVE-2026-34040Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-34040GitHub code search for direct mentions.
Google dork
"CVE-2026-34040" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.