cvedb.io
CVE-2026-42812
CRITICAL · CVSS 9.9
EPSS exploitation probability: 0%
Published 2026-05-04T17:16:26.887 · Last modified 2026-06-17T10:48:26.813

Summary

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 Polaris-managed catalog, changing only that property through an `ALTER TABLE`-style settings change (not a row-level `INSERT`, `SELECT`, `UPDATE`, or `DELETE`) bypasses the commit-time branch that is supposed to revalidate storage locations. The full persisted / credential-vending variant requires the affected catalog to have `polaris.config.allow.unstructured.table.location=true`, with `allowedLocations` broad enough to include the attacker-chosen target. `allowedLocations` is the admin-con

Affected products

apache — polaris

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.