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Elasticsearch 8.19.8, 9.1.8 Security Update (ESA-2026-18)

🗓️ 19 Mar 2026 16:59:18Reported by ElasticCoType 
elastic
 elastic🔗 discuss.elastic.co👁 4 Views

Elasticsearch security update fixes deserialization leading to remote code execution via PyTorch models.

Related
Detection
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: There is a vulnerablity in the torch library affecting IBM watsonx Code Assistant On Prem
19 Jun 202514:24
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to a Remote Command Execution in PyTorch [CVE-2025-32434]
28 Aug 202515:24
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Monitor Component uses torch - 2.2.0+cpu which is vulnerable to CVE-2025-32434.
5 Dec 202505:51
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Monitor Component uses WebSphere Application Server Liberty which is affected by cross-site scripting and vulnerable to CVE-2025-32434.
30 Mar 202611:47
–ibm
Tenable Nessus		Azure Linux 3.0 Security Update: pytorch (CVE-2025-32434)
6 May 202500:00
–nessus
Tenable Nessus		Debian dla-4389 : libtorch-dev - security update
3 Dec 202500:00
–nessus
Tenable Nessus		CBL Mariner 2.0 Security Update: pytorch (CVE-2025-32434)
6 May 202500:00
–nessus
Tenable Nessus		NewStart CGSL MAIN 7.02 : pytorch Vulnerability (NS-SA-2025-0250)
24 Oct 202500:00
–nessus
Tenable Nessus		Linux Distros Unpatched Vulnerability : CVE-2025-32434
27 Aug 202500:00
–nessus
CBLMariner		CVE-2025-32434 affecting package pytorch for versions less than 2.2.2-6
24 Apr 202515:08
–cbl_mariner
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Vulners
Node
elasticelasticsearchRange8.x: All versions from 8.0.0–8.19.7
OR
elasticelasticsearchRange9.x: All versions from 9.0.0–9.1.7

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19 Mar 2026 16:59Current
8High risk
Vulners AI Score8
CVSS 3.17.2 - 9.8
CVSS 49.3
EPSS0.0043
SSVC
elasticsearchdeserializationremote code executionpytorch models
4