CVE•Published 2026-03-23•Modified 2026-08-10•1 article on news•5 live references•NVD data
CVE-2026-4404Linuxfoundation · Harbor
Vulnerability data via NVD (ingested)
CVSS v3.1
9.4
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
EPSS percentile
40
Exploit Prediction Scoring System · top 60% of all CVEs
Description
Use of hard coded credentials in GoHarbor Harbor version 2.15.0 and below, allows attackers to use the default password and gain access to the web UI.
Timeline
Published 2026-03-23
Modified 2026-08-10
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 tag2,202 hosts
vuln:CVE-2026-4404Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Linuxfoundation Harbor"All exposed Linuxfoundation Harbor instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Harbor"HTTP body or banner mentions "Harbor" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-4404Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-4404Censys host search filtered to this CVE id.
grep.app
CVE-2026-4404Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-4404GitHub code search for direct mentions.
Google dork
"CVE-2026-4404" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (4)
CVE-2026-44044 repos
Ostorlab/KEVunknown
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
synchopate/cybergym-logosunknown
CyberGym submission: Claude Opus 4.6 + Crystalline cognitive memory layer. 89.6% pass@1, submitted to UC Berkeley May 2026.
MaikCyberSec/Threat-Hunting-unknown
Threat Hunting based on KQL
rxerium/CISA-KEVPython
An automated repo to track Nuclei template scanning capabilities against the CISA KEV.