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 ...

CVE-2026-42812

The CVE-2026-42812 entry covers Apache Polaris involving write.metadata.path in Polaris-managed catalogs. A change to the table property write.metadata.path can bypass the pre-write location validation, allowing Polaris to write metadata to attacker-controlled storage before location checks run. ...

CVE-2026-42812 Apache Polaris: No protection on `write.metadata.path`

In Apache Iceberg, the table's metadata files are control files: they tell readers which data files belong to the table and which table version to read. write.metadata.path is an optional table property that tells Polaris where to write those metadata files. For a table already registered in a...