CVE-2026-56703

High

Open

TLP:CLEAR

Adminer before 5.4.3 Remote Code Execution via SQLite VACUUM INTO

NVD CVE.org

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Description

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.

Details

CVSS Score: 8.6
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence: 90%
Published: Aug 25, 2026
Last Modified: Aug 25, 2026

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