CVE-2026-49326 Apache HBase: Missing scanner instance owner check in thrift delegation service

Missing Authorization vulnerability in Apache HBase thrift and rest delegation service. A scan operation in thrift/rest service has 3 steps, open, fetchpossible multiple times, close. The open step will return an id which will be passed back to server for identifying the scanner instances stored ...

CVE-2026-49326

CVE-2026-49326 affects Apache HBase thrift and REST delegation service. The vulnerability stems from missing owner/authorization checks in fetch and close steps of the scanner delegation flow, enabling a user to fetch rows from a scanner opened by another user and to close scanners that belong to...

EUVD-2026-48610

Missing Authorization vulnerability in Apache HBase thrift and rest delegation service. A scan operation in thrift/rest service has 3 steps, open, fetchpossible multiple times, close. The open step will return an id which will be passed back to server for identifying the scanner instances stored ...