Apache Polaris has an Improper Input Validation Issue

Apache Polaris accepts literal characters in namespace and table names. When it later builds temporary S3 access policies for delegated table access, those same characters appear to be reused unescaped in S3 IAM resource patterns and s3:prefix conditions. In S3 IAM policy matching, is treated as ...

CVE-2026-42810 Apache Polaris: could broaden vended S3 credentials through wildcard-bearing namespace or table names

Apache Polaris accepts literal characters in namespace and table names. When it later builds temporary S3 access policies for delegated table access, those same characters appear to be reused unescaped in S3 IAM resource patterns and s3:prefix conditions. In S3 IAM policy matching, is treated as ...