CWE-441

Apache Polaris — Cross-Tenant Credential Vending Before Location Validation in Iceberg REST Register (CVE-2026-64640)

CVE-2026-64640 is a confused-deputy vulnerability in Apache Polaris: the Iceberg REST register endpoints mint cloud storage credentials for a caller-supplied path and read that path server-side before checking it against the catalog's allowedLocations. A…