Elasticsearch Uncontrolled Resource Consumption vulnerability

• cbl2 rubygem-elasticsearch 8.3.0-1 on CBL-Mariner 2.0

• cbl2 rubygem-elasticsearch 8.3.0-1

• azl3 rubygem-elasticsearch 8.9.0-1 on Azure Linux 3.0

Separate remediation guidance was not included in the collected bulletin.

1. Aug 12, 2026 at 10:04 PM UTC
   Published by Microsoft Security Response Center

   The publication date reported by the vendor.

2. Sep 28, 2026 at 11:20 AM UTC
   Added to SecurityAlert

   We collected the advisory from the official source.

3. Oct 28, 2026 at 3:45 AM UTC
   Confirmed at the source

   Our collector saw this advisory during a later source check.