Server-side Request Forgery (SSRF) Affecting vrana/adminer package, versions <5.5.0


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.31% (23rd percentile)

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  • Snyk IDSNYK-PHP-VRANAADMINER-19428464
  • published29 Aug 2026
  • disclosed25 Aug 2026
  • creditUnknown

Introduced: 25 Aug 2026

NewCVE-2026-34964  (opens in a new tab)
CWE-918  (opens in a new tab)

How to fix?

Upgrade vrana/adminer to version 5.5.0 or higher.

Overview

vrana/adminer is a Database management in a single file.

Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the server parameter in the login form's validator. An attacker can establish unauthorized TCP connections to internal hosts and ports by injecting crafted PDO DSN keys, such as host= and port=, to bypass port restrictions before authentication.

References

CVSS Base Scores

version 4.0
version 3.1