6.5
Medium
CVE-2026-72647 Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads…
Description
Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads (CAPEC-230). An authenticated user holding only read privileges on a single index can submit one specially crafted search request whose deeply nested structure is processed without a depth limit, exhausting the thread stack and terminating the affected node.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Elasticsearch 9.0 | 9.0.0 → 9.4.4 | No fix stated |
| Elasticsearch 8.0 | 8.0.0 → 8.19.19 | No fix stated |
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CVE-2026-115290
Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads…
7.5
High