CVE-2026-82432: Apache Storm Nimbus: Blobstore Authorization Bypass via Rebalance Configuration Overrides

<p>Posted by Richard Zowalla on Sep 13</p>Severity: moderate <br /> <br /> Affected versions:<br /> <br /> - Apache Storm Nimbus (org.apache.storm:storm-server) 3.0.0 before 3.1.0<br /> <br /> Description:<br /> <br /> Description<br /> <br /> Nimbus validated `topology.blobstore.map` against the calling subject at submission time only. The rebalance<br /> operation accepts configuration overrides