CVE-2026-63144
CVE CVE-2026-63144EUVD EUVD-2026-47583Published 2026-07-21T22:26:43.000ZLast changed 2026-07-22T13:27:01.000ZCVSS 6.5
What the advisory describes
Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via a specially crafted search request submitted by a low-privileged authenticated user. A user with read-level index access can submit a request that triggers unbounded recursive processing within the Elasticsearch query evaluation component, causing a fatal error that terminates the affected node. In single-node deployments, this results in complete service outage; in multi-node clusters, it causes repeated node restarts and sustained availability degradation.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Elastic — Elasticsearch 9.3.0 ≤9.3.7; 8.19.0 ≤8.19.18; 9.4.0 ≤9.4.3
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Elastic — Elasticsearch
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