Uncontrolled Recursion in Elasticsearch Leading to Denial of Service (CVE-2026-72647)
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.
Uncontrolled Recursion in Elasticsearch Leading to Denial of Service (CVE-2026-72647)
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 software
pkg:bitnami/elasticsearchRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- BIT-elasticsearch-2026-72647
- Osv Schema Version
- 1.6.2
- Aliases
- ["CVE-2026-72647"]
- Ecosystems
- ["Bitnami"]
- Database Specific Severity
- Medium
- Cvss Version
- null
Threat ID: 6a85b4b2acd9273b492514c0
Added to database: 08/19/2026, 13:50:42 UTC
Last updated: 08/19/2026, 13:50:42 UTC
Views: 1
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