CVE-2026-103005
Last modified
CVE-2026-103005 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user with connector management privileges could cause the cluster to allocate an uncontrolled amount of memory when connector resources with an excessively large `description` field are created and subsequently accessed, exhausting available heap memory and crashing the affected node.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user with connector management privileges could cause the cluster to allocate an uncontrolled amount of memory when connector resources with an excessively large `description` field are created and subsequently accessed, exhausting available heap memory and crashing the affected node.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Elastic | Elasticsearch | >= 8.12.0, < 8.19.23 |
| Elastic | Elasticsearch | >= 9.0.0, <= 9.3.8 |
| Elastic | Elasticsearch | >= 9.4.0, < 9.4.8 |
| Elastic | Elasticsearch | >= 9.5.0, < 9.5.5 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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