adminer: Adminer before 5.4.3 contains a remote code execution vulnerability in SQLite query handling where VACUUM INTO is not...
CVE-2026-56703 is fixed in adminer on 1 platform by DEBIAN-CVE-2026-56703 (version 5.4.3+dfsg-1), released August 27, 2026. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| adminer · Debian 14 | 5.4.3+dfsg-1 | DEBIAN-CVE-2026-56703 | Aug 27, 2026 |
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