Live › vulnerability › CVE-2026-114214
Go to dashboardAsh's has_many :through and has_one :through loads with a limit of 1 can return destination records not linked to the source record. A client paging such a field, for example through AshGraphql, can enumerate records that policies allow only via that relationship.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-25 20:35 UTC. All times on this page are UTC.
Applications on ash from 3.24.0 before 3.37.1 that declare a has_many or has_one relationship using through: and expose it to clients, typically via AshGraphql, with paging. Applications without through relationships, or not exposing them to untrusted clients, are less exposed.
No product ranges from the sources yet.
mix.lock or mix deps | grep ashhas_many or has_one declarations using through: and for paginated access to them with limit and offsetash to 3.37.1 or laterthrough: relationships with limit and offset to clientsEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Incorrect Authorization vulnerability in ash-project ash allows a client to read destination records unrelated to the source record through a through relationship.
When a has_many relationship declared with through: was loaded for a single record with a limit of 1, or an unsorted has_one through relationship was loaded with a limit of 1, lateral_join?/4 in lib/ash/actions/read/relationships.ex chose the path that reads the destination without any filter linking it to the source. The load returned the first destination record by sort, or any other record with an offset. The read still runs the destination's policies but carries the relationship as accessing_from, so a client paging such a field (for example teachers(limit: 1, offset: n) through AshGraphql) can enumerate destination records that policies allow only when reached through that relationship.
This issue affects ash: from 3.24.0 before 3.37.1.
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