CVE-2026-72638
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Input Data Manipulation (CAPEC-153). An authenticated user holding only low-privileged index creation permissions can submit a single request containing a specially crafted, malformed custom analysis definition that is resolved recursively without a cycle or depth check, exhausting the thread stack and terminating the affected node.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Elastic | Elasticsearch | 8.0.0 <= 8.19.19 | affected |
| Elastic | Elasticsearch | 9.0.0 <= 9.4.4 | affected |
Weaknesses
- CWE-674: CWE-674 Uncontrolled Recursion
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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