AIKIDO-2026-518887
ash is vulnerable to Missing Authorization
59
Medium Risk
This Affects:
ashTL;DR
The atomic path of Ash.update_many updates rows matched only by primary key. Even with authorize?: true, it did not apply the resource's policy filter, so any actor could update rows their policies forbid, including records belonging to another actor or tenant. The fix authorizes each changeset and merges the resulting policy filter into each atomic update.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you use atomic Ash.update_many under enforced policies.
Background info
ash is vulnerable to Missing Authorization in versions 3.29.0 - 3.32.1.
How to fix this
Upgrade the ash library to the patch version.
Links
GitHub Release
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