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CVE-2026-56705

Adminer before 5.4.3 Remote Code Execution via MSSQL PDO DSN Injection

Published: Aug 25, 2026Updated: Sep 8, 2026 Sources: CVE List NVDCWE-73

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

Affected Products

vrana
oss-projectaka adminer

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

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