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Elasticsearch 8.19.23, 9.4.8, 9.5.5 Security Update (ESA-2026-198)

🗓️ 06 Oct 2026 18:52:02Reported by ElasticCoType 
elastic
 elastic
🔗 discuss.elastic.co👁 23 Views

Authenticated DoS in Elasticsearch via uncontrolled recursion in scripted runtime fields.

Related
Detection
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-103008
7 Oct 202613:55
–circl
cve
CVE
CVE-2026-103008
6 Oct 202619:31
–cve
cvelist
Cvelist
CVE-2026-103008 Uncontrolled Recursion in Elasticsearch Leading to Denial of Service
6 Oct 202619:31
–cvelist
nessus
Tenable Nessus
Elasticsearch 9.0.x < 9.4.8 / 9.5.x < 9.5.5 DoS (ESA-2026-198)
6 Oct 202600:00
–nessus
euvd
EUVD
EUVD-2026-93938
6 Oct 202619:31
–euvd
mend
Mend
CVE-2026-103008
6 Oct 202619:31
–mend
nvd
NVD
CVE-2026-103008
6 Oct 202620:17
–nvd
osv_bit
osv_bit
BIT-ELASTICSEARCH-2026-103008 Uncontrolled Recursion in Elasticsearch Leading to Denial of Service
13 Oct 202606:47
–osv_bit
osv_cga
osv_cga
CGA-399M-2JV5-5F7X
13 Oct 202623:58
–osv_cga
osv_cga
osv_cga
CGA-3X4C-W939-R4CX
14 Oct 202600:26
–osv_cga
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Vulners
Node
OR
elasticelasticsearchRange8.12.0–8.19.22
elasticelasticsearchRange9.0.0–9.4.7
elasticelasticsearchRange9.5.0–9.5.4

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06 Oct 2026 18:52Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.5
EPSS0.00309
SSVC
23