CVE Explorer

CVE-2026-63144

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 re

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:20d2b01e17b278749ac332d35201100ea49bd641f8eeefe776feefc437a06e2a

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"Elasticsearch","vendor":"Elastic","versions":[{"lessThanOrEqual":"9.4.3","status":"affected","version":"9.4.0","versionType":"semver"},{"lessThanOrEqual":"9.3.7","status":"affected","version":"9.3.0","versionType":"semver"},{"lessThanOrEqual":"8.19.18","status":"affected","version":"8.19.0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:bd53fb96dcc0eb67916c40e7d1871e6d7c4630ce7347f0ff0f3803784de38c84 · sha256:6bb13efc805ae515… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:bd53fb96dcc0eb67916c40e7d1871e6d7c4630ce7347f0ff0f3803784de38c84 · sha256:6bb13efc805ae515… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-674","description":"CWE-674 Uncontrolled Recursion","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:bd53fb96dcc0eb67916c40e7d1871e6d7c4630ce7347f0ff0f3803784de38c84 · sha256:6bb13efc805ae515… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"url":"https://discuss.elastic.co/t/elasticsearch-8-19-19-9-3-8-9-4-4-security-update-esa-2026-68/388571"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:bd53fb96dcc0eb67916c40e7d1871e6d7c4630ce7347f0ff0f3803784de38c84 · sha256:6bb13efc805ae515… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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