Is CVE-2026-109347 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-109347?

CVE-2026-109347 has a CVSS v3 severity of HIGH (7.2).

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CVE-2026-109347

Description

Adminer before 6.1.1 contains a remote code execution vulnerability that allows authenticated SQLite users to bypass ATTACH and VACUUM INTO restrictions by prefixing statements with a UTF-8 byte-order mark. Attackers can attach a database file at a PHP-served path and create a table named with PHP code to execute it as the web server user.