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CVE-2026-56703

Adminer before 5.4.3 Remote Code Execution via SQLite VACUUM INTO

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.4.3
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • vrana adminer

    fixed in 5.4.3

References 2

GitHub · vrana/adminer

vulncheck.com