CVE-2026-96581

Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash allows a user of one tenant to read, overwrite and take over another tenant's records via an upserting create action. Under attribute multitenancy, Ash.Actions.Create lib/ash/actions/create/create.ex and...

CVE-2026-96581 An upsert on the primary key in Ash ignores attribute multitenancy, so one tenant can read, overwrite and take over another tenant's records

Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash allows a user of one tenant to read, overwrite and take over another tenant's records via an upserting create action. Under attribute multitenancy, Ash.Actions.Create lib/ash/actions/create/create.ex and...

EEF-CVE-2026-96581 An upsert on the primary key in Ash ignores attribute multitenancy, so one tenant can read, overwrite and take over another tenant's records

Summary Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash allows a user of one tenant to read, overwrite and take over another tenant's records via an upserting create action. Under attribute multitenancy, Ash.Actions.Create lib/ash/actions/create/create.ex and...

EUVD-2026-109637

Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash allows a user of one tenant to read, overwrite and take over another tenant's records via an upserting create action. Under attribute multitenancy, Ash.Actions.Create lib/ash/actions/create/create.ex and...

CVE-2026-96581 An upsert on the primary key in Ash ignores attribute multitenancy, so one tenant can read, overwrite and take over another tenant's records

Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash allows a user of one tenant to read, overwrite and take over another tenant's records via an upserting create action. Under attribute multitenancy, Ash.Actions.Create lib/ash/actions/create/create.ex and...

CVE-2026-96581 An upsert on the primary key in Ash ignores attribute multitenancy, so one tenant can read, overwrite and take over another tenant's records

Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash allows a user of one tenant to read, overwrite and take over another tenant's records via an upserting create action. Under attribute multitenancy, Ash.Actions.Create lib/ash/actions/create/create.ex and...

CVE-2026-96581

The ash-project ash framework (versions 1.22.0 before 3.37.2 ) contains an Authorization Bypass Through User-Controlled Key vulnerability (CWE-639) within Ash.Actions.Create and Ash.Actions.Create.Bulk. Under attribute multitenancy , the software fails to scope conflicting records to the request'...

PT-2026-123198

Name of the Vulnerable Software and Affected Versions ash versions 1.22.0 through 3.37.1 Description An authorization bypass exists in ash when using attribute multitenancy. The Ash.Actions.Create lib/ash/actions/create/create.ex and Ash.Actions.Create.Bulk lib/ash/actions/create/bulk.ex function...

CVE-2026-115635

Incorrect Authorization vulnerability in ash-project ashpostgres allows a user to read another tenant's record through a skipped upsert. When Ash.bulkcreate/4 or a single create runs as an upsert with returnskippedupsert?: true and the upsert is skipped for example because its upsertcondition doe...

CVE-2026-115627

Incorrect Authorization vulnerability in ash-project ashpostgres allows a user to load destination records linked to a source record only through another tenant's join rows. When a manytomany relationship, or a through relationship, is loaded with a lateral join for example with a per-record limi...

CVE-2026-115627 AshPostgres ignores attribute multitenancy on the join resource when loading many_to_many and through relationships, returning records related through other tenants' rows

Incorrect Authorization vulnerability in ash-project ashpostgres allows a user to load destination records linked to a source record only through another tenant's join rows. When a manytomany relationship, or a through relationship, is loaded with a lateral join for example with a per-record limi...

EEF-CVE-2026-115627 AshPostgres ignores attribute multitenancy on the join resource when loading many_to_many and through relationships, returning records related through other tenants' rows

Summary Incorrect Authorization vulnerability in ash-project ashpostgres allows a user to load destination records linked to a source record only through another tenant's join rows. When a manytomany relationship, or a through relationship, is loaded with a lateral join for example with a...

CVE-2026-115627 AshPostgres ignores attribute multitenancy on the join resource when loading many_to_many and through relationships, returning records related through other tenants' rows

Incorrect Authorization vulnerability in ash-project ashpostgres allows a user to load destination records linked to a source record only through another tenant's join rows. When a manytomany relationship, or a through relationship, is loaded with a lateral join for example with a per-record limi...

CVE-2026-115627

Incorrect Authorization vulnerability in ash-project ashpostgres allows a user to load destination records linked to a source record only through another tenant's join rows. When a manytomany relationship, or a through relationship, is loaded with a lateral join for example with a per-record limi...

CVE-2026-115627 AshPostgres ignores attribute multitenancy on the join resource when loading many_to_many and through relationships, returning records related through other tenants' rows

Incorrect Authorization vulnerability in ash-project ashpostgres allows a user to load destination records linked to a source record only through another tenant's join rows. When a manytomany relationship, or a through relationship, is loaded with a lateral join for example with a per-record limi...

EUVD-2026-109569

Incorrect Authorization vulnerability in ash-project ashpostgres allows a user to load destination records linked to a source record only through another tenant's join rows. When a manytomany relationship, or a through relationship, is loaded with a lateral join for example with a per-record limi...

CVE-2026-115627

The ash_postgres component (versions 0.38.0 before 2.15.2 ) is vulnerable to an Incorrect Authorization issue (CWE-863). When loading many_to_many or through relationships using a lateral join (such as with sorting or per-record limits), the AshPostgres.DataLayer fails to execute the resource's r...

CVE-2026-115635 AshPostgres returns another tenant's record for a skipped upsert when return_skipped_upsert? is set

Incorrect Authorization vulnerability in ash-project ashpostgres allows a user to read another tenant's record through a skipped upsert. When Ash.bulkcreate/4 or a single create runs as an upsert with returnskippedupsert?: true and the upsert is skipped for example because its upsertcondition doe...

CVE-2026-115635 AshPostgres returns another tenant's record for a skipped upsert when return_skipped_upsert? is set

Incorrect Authorization vulnerability in ash-project ashpostgres allows a user to read another tenant's record through a skipped upsert. When Ash.bulkcreate/4 or a single create runs as an upsert with returnskippedupsert?: true and the upsert is skipped for example because its upsertcondition doe...

CVE-2026-115635

Incorrect Authorization vulnerability in ash-project ashpostgres allows a user to read another tenant's record through a skipped upsert. When Ash.bulkcreate/4 or a single create runs as an upsert with returnskippedupsert?: true and the upsert is skipped for example because its upsertcondition doe...