A flaw in Elasticsearch allows a low-privileged authenticated user to submit a single request containing a crafted user-supplied input. A specific internal component validates the input using a recursive routine and applies no bound to the length of the value being validated, so the validation causes the thread to exhaust its stack. The resulting fatal error is not handled by the surrounding execution paths and terminates the affected node process, producing a denial of service.
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History
Thu, 13 Aug 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw in Elasticsearch allows a low-privileged authenticated user to submit a single request containing a crafted user-supplied input. A specific internal component validates the input using a recursive routine and applies no bound to the length of the value being validated, so the validation causes the thread to exhaust its stack. The resulting fatal error is not handled by the surrounding execution paths and terminates the affected node process, producing a denial of service. | |
| Title | Uncontrolled Recursion in Elasticsearch Leading to Denial of Service | |
| Weaknesses | CWE-674 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: elastic
Published:
Updated: 2026-08-13T20:34:46.089Z
Reserved: 2026-08-10T11:17:58.731Z
Link: CVE-2026-72686
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Status : Received
Published: 2026-08-13T20:17:29.343
Modified: 2026-08-13T20:17:29.343
Link: CVE-2026-72686
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OpenCVE Enrichment
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Weaknesses