CVE-2026-86338

Ash fieldpolicies are documented to protect against filter-based information disclosure: when a field the actor may not see is referenced in a filter, it is replaced with an expression that evaluates to nil, so a filter cannot be used as a yes/no oracle to read a value the actor cannot see. This...

EEF-CVE-2026-86338 Ash field policies do not filter-nil forbidden calculations and aggregates, enabling an information-disclosure oracle

Summary Ash fieldpolicies are documented to protect against filter-based information disclosure: when a field the actor may not see is referenced in a filter, it is replaced with an expression that evaluates to nil, so a filter cannot be used as a yes/no oracle to read a value the actor cannot se...

EUVD-2026-80285

Ash fieldpolicies are documented to protect against filter-based information disclosure: when a field the actor may not see is referenced in a filter, it is replaced with an expression that evaluates to nil, so a filter cannot be used as a yes/no oracle to read a value the actor cannot see. This...

CVE-2026-86338

Ash (Elixir) field_policies were intended to prevent filter-based information disclosure by nilling forbidden field references in filters. The nilling mechanism matched only Ash.Resource.* structs (attributes) but failed to match Ash.Query.Calculation and Ash.Query.Aggregate structs, so filters r...

CVE-2026-86338 Ash field policies do not filter-nil forbidden calculations and aggregates, enabling an information-disclosure oracle

Ash fieldpolicies are documented to protect against filter-based information disclosure: when a field the actor may not see is referenced in a filter, it is replaced with an expression that evaluates to nil, so a filter cannot be used as a yes/no oracle to read a value the actor cannot see. This...