CVE-2026-63144 Affecting ruby3.3-elasticsearch package, versions <9.5.0-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published6 Aug 2026
- disclosed21 Jul 2026
Introduced: 21 Jul 2026
NewCVE-2026-63144 (opens in a new tab)How to fix?
Upgrade Wolfi ruby3.3-elasticsearch to version 9.5.0-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby3.3-elasticsearch package and not the ruby3.3-elasticsearch package as distributed by Wolfi.
See How to fix? for Wolfi relevant fixed versions and status.
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.