CVE-2026-56703: Vrana Adminer

High severity, CVSS 7.2. EPSS: 1.2% chance of exploitation in the next 30 days.

Adminer before 5.4.3 contains a remote code execution vulnerability in SQLite query handling where VACUUM INTO is not blocked despite ATTACH restrictions. Authenticated attackers can execute VACUUM INTO to write PHP code to arbitrary file paths and execute commands on the server.

Affected products

• Vrana Adminer: before 5.4.3 (fixed in 5.4.3)

Published 2026-08-25. Last modified 2026-09-08.