CVE-2026-42809

Apache Polaris can issue broad temporary "vended" storage credentials during staged table creation before the effective table location has been validated or durably reserved. Those temporary credentials are meant to limit the scope of accessible table data and metadata, but this scope limitation...

CVE-2026-42809 Apache Polaris: staged table creation could vend storage credentials for unvalidated locations

Apache Polaris can issue broad temporary "vended" storage credentials during staged table creation before the effective table location has been validated or durably reserved. Those temporary credentials are meant to limit the scope of accessible table data and metadata, but this scope limitation...

CVE-2026-42809

Apache Polaris is affected via the staged-create path where an authenticated, low-privilege user can supply a custom location during stage create and request credential vending. Polaris issues broad temporary (vended) storage credentials tied to that location before normal validation and overlap ...