CyberRota Analysis
AI-GeneratedA vulnerability in ash_postgres allows an attacker with tenant rename permissions to inadvertently redirect their tenant's data access to another existing tenant's schema, potentially exposing sensitive information. This occurs due to unchecked return values in the rename_tenant function, which fails to properly handle errors from PostgreSQL, leading to unauthorized data access. Organizations using ash_postgres versions from 0.25.0 to before 2.13.0 should prioritize patching this issue to safeguard against data leakage and unauthorized access.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
Unchecked Return Value vulnerability in ash-project ash_postgres allows a user who can drive a tenant rename to a name that collides with an existing tenant's schema to have their tenant record repointed at that other tenant's live schema, gaining access to its data. AshPostgres.MultiTenancy.rename_tenant/3 issues the ALTER SCHEMA ... RENAME TO ... with the non-raising Ecto.Adapters.SQL.query/2, discards its {:ok, _} | {:error, _} result, and unconditionally returns :ok. PostgreSQL rejects the rename when the target schema already exists (and on insufficient privilege or lock timeout), but that failure never reaches the caller. The calling manage_tenant update action therefore sees success and commits the tenant row with the new name, which is the schema of a different existing tenant, so subsequent reads and writes for that tenant run against the other tenant's data. This issue affects ash_postgres: from 0.25.0 before 2.13.0.