CVE-2026-56703

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.

CVSS Vector

References

• https://github.com/vrana/adminer/security/advisories/GHSA-gmx3-g29w-77wf
• https://www.vulncheck.com/advisories/adminer-before-remote-code-execution-via-sqlite-vacuum-into
• https://github.com/vrana/adminer/security/advisories/GHSA-gmx3-g29w-77wf