HIGH 7.1 NVD
CVE-2026-56702
Adminer versions before 5.4.3 contain an unrestricted file upload vulnerability in the AdminerFileUpload plugin that allows authenticated users to upload PHP fi
Adminer versions before 5.4.3 contain an unrestricted file upload vulnerability in the AdminerFileUpload plugin that allows authenticated users to upload PHP files by exploiting a permissive default extension allowlist. Attackers can upload PHP webshells to columns ending in _path and execute arbitrary code as the web-server user when uploadPath is web-served.
References
- https://github.com/vrana/adminer/security/advisories/GHSA-vcvj-rwwm-x6g5
- https://www.vulncheck.com/advisories/adminer-before-unrestricted-file-upload-via-adminerfi
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-08-25 via NVD.
vulnfeed aggregates 11266 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.