AIKIDO-2026-191454
vrana/adminer is vulnerable to Server-Side Request Forgery (SSRF)
58
Medium Risk
This Affects:
vrana/adminerTL;DR
Adminer's Elasticsearch driver reads the raw HTTP response body returned when opening a connection and surfaces its error field verbatim as the connection error shown to the user, regardless of whether the response actually came from an Elasticsearch node. Combined with the login form's user-supplied server address, this lets a visitor probe arbitrary internal hosts and read their HTTP response content back through the Adminer login error message. The fix restricts the printed error to output Elasticsearch itself identifies as its own error payload.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you have deployed Adminer with the optional Elasticsearch driver enabled.
Background info
vrana/adminer is vulnerable to Server-Side Request Forgery (SSRF) in versions 4.16.0 - 6.0.1.
How to fix this
Upgrade the vrana/adminer library to the patch version.
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