CRITICAL 9.3 NVD
CVE-2026-56705
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 s
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.
References
- https://github.com/vrana/adminer/security/advisories/GHSA-r4x9-5m63-3vxw
- https://www.vulncheck.com/advisories/adminer-before-remote-code-execution-via-mssql-pdo-ds
This critical severity vulnerability with a CVSS score of 9.3 was published on 2026-08-25 via NVD.
Risk Timeline
CVE Disclosed2026-08-25 · -1 days ago
Remediation Resources
vulnfeed aggregates 11266 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.