Intel

AIKIDO-2026-153616

ash_admin is vulnerable to Authorization Bypass Through User-Controlled Key

Authorization Bypass Through User-Controlled KeyCVE-2026-81853 Published Yesterday

23

Low Risk

This Affects:

ELIXIRash_admin
0.1.0 - 1.3.0
Fixed in 1.3.1
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TL;DR

AshAdmin decodes composite primary keys from a request-supplied encoded value and uses the decoded map as filter conditions without checking that its keys are actual primary-key fields. Supplying alternate field names, such as a secret token attribute, turns a record-lookup route into an equality oracle. Observing whether a record is returned reveals whether the guessed value matches, allowing sensitive attribute values to be brute-forced. The fix rejects non-primary-key fields when decoding composite primary keys.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range and you expose AshAdmin resources whose records can be looked up through externally supplied primary-key parameters.

Background info

ash_admin is vulnerable to Authorization Bypass Through User-Controlled Key in versions 0.1.0 - 1.3.0.

How to fix this

Upgrade the ash_admin library to the patch version.

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