Vulnerability Intelligence Report
Adminer before 5.4.3 Remote Code Execution via SQLite VACUUM INTO
CVE-2026-56703
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.
No Active Exploit Signals
CVSS Base Score
8.6
HIGH
EPSS Probability:1.13%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-94 ↗Improper Control of Generation of Code ('Code Injection')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| vrana | adminer | 0 < 5.4.3 (affected), 5.4.3 (unaffected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.134%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulnCheck · Bug Bounty Provider · USA |
| Reserved | 2026-06-22T18:48:27 |
| Published | 2026-08-25T01:30:01 |
| Patch Date | 2026-07-09 |
| Last Updated | 2026-08-25T18:13:21 |
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