CVE-2026-56705
Adminer before 5.4.3 Remote Code Execution via MSSQL PDO DSN Injection
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
Adminer before 5.4.3 fails to sanitize the server field before constructing a PDO DSN string, allowing unauthenticated attackers to inject ODBC parameters via semicolons. Attackers can inject TraceFile and TraceOn parameters to write PHP code to the web root, achieving remote code execution when the trace file is accessed.
| CWE | CWE-73 |
| Vendor | vrana |
| Product | adminer |
| Published | Aug 25, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
vrana / adminer
0 < 5.4.3
References
Credits
🔍 AmirMSafari