This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-56702 →

DEBIAN-CVE-2026-56702

Adminer versions before 5.4.3 contain an unrestricted file upload vulnerability in the AdminerFileUpload plugin that allows authenticated users to upl...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 adminer

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 adminer

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:14 adminer

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.3+dfsg-1"}]}]

References

advisory security-tracker.debian.org