CVE-2025-68384: Elastic Elasticsearch

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can allow a low-privileged authenticated user to cause Excessive Allocation (CAPEC-130) causing a persistent denial of service (OOM crash) via submission of oversized user settings data.

Affected products

• Elastic Elasticsearch: from 7.0.0, up to and including 7.17.29; from 8.0.0, before 8.19.9 (fixed in 8.19.9); from 9.0.0, before 9.1.9 (fixed in 9.1.9); from 9.2.0, before 9.2.3 (fixed in 9.2.3)

Published 2025-12-18. Last modified 2026-09-30.