CVE-2026-86404 (GCVE-0-2026-86404)
Vulnerability from cvelistv5 – Published: 2026-09-07 11:35 – Updated: 2026-09-17 23:39
VLAI
EPSS
VEX
Title
Artemis-server: artemis-jms-client: artemis-core-client: undertow-core: wildfly-messaging-activemq-subsystem: artemis messaging handlers in red hat eap permit deserialization by default
Summary
EAP's Artemis deserialization configuration permits deserialization by default. ObjectMessage.getObject() uses ObjectInputStreamWithClassLoader, which implements allow-list/block-list filtering via its checkSecurity()/isTrustedType() method. However, by default both allow-list and block-list are empty. When the allow-list is empty (size == 0), isTrustedType() returns true for ALL classes. This means all classes are deserializable by default.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 14:23 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:53644 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:53645 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:53646 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:53806 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-86404 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2477930 | issue-trackingx_refsource_REDHAT |
Impacted products
37 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 |
Unaffected:
0:2.16.0-22.redhat_00057.1.el7eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 |
Unaffected:
0:2.3.14-11.SP11_redhat_00001.1.el7eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 |
Unaffected:
0:1.5.26-2.Final_redhat_00001.1.el7eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 |
Unaffected:
0:2.18.8-1.redhat_00003.1.el7eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 |
Unaffected:
0:5.0.31-3.SP2_redhat_00001.1.el7eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 |
Unaffected:
0:1.10.0-46.Final_redhat_00044.1.el7eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 |
Unaffected:
0:4.1.135-1.Final_redhat_00001.1.el7eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 |
Unaffected:
0:2.5.5-30.SP12_redhat_00020.1.el7eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 |
Unaffected:
0:2.5.5-24.SP12_redhat_00016.1.el7eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 |
Unaffected:
0:2.2.40-2.SP3_redhat_00001.1.el7eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 |
Unaffected:
0:7.4.25-2.GA_redhat_00001.1.el7eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 |
Unaffected:
0:2.16.0-22.redhat_00057.1.el8eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 |
Unaffected:
0:2.3.14-11.SP11_redhat_00001.1.el8eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 |
Unaffected:
0:1.5.26-2.Final_redhat_00001.1.el8eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 |
Unaffected:
0:2.18.8-1.redhat_00003.1.el8eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 |
Unaffected:
0:5.0.31-3.SP2_redhat_00001.1.el8eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 |
Unaffected:
0:1.10.0-46.Final_redhat_00044.1.el8eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 |
Unaffected:
0:4.1.135-1.Final_redhat_00001.1.el8eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 |
Unaffected:
0:2.5.5-30.SP12_redhat_00020.1.el8eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 |
Unaffected:
0:2.5.5-24.SP12_redhat_00016.1.el8eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 |
Unaffected:
0:2.2.40-1.SP3_redhat_00001.1.el8eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 |
Unaffected:
0:7.4.25-2.GA_redhat_00001.1.el8eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 |
Unaffected:
0:2.16.0-22.redhat_00057.1.el9eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 |
Unaffected:
0:2.3.14-11.SP11_redhat_00001.1.el9eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 |
Unaffected:
0:1.5.26-2.Final_redhat_00001.1.el9eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 |
Unaffected:
0:2.18.8-1.redhat_00003.1.el9eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 |
Unaffected:
0:5.0.31-3.SP2_redhat_00001.1.el9eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 |
Unaffected:
0:1.10.0-46.Final_redhat_00044.1.el9eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 |
Unaffected:
0:4.1.135-1.Final_redhat_00001.1.el9eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 |
Unaffected:
0:2.5.5-30.SP12_redhat_00020.1.el9eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 |
Unaffected:
0:2.5.5-24.SP12_redhat_00016.1.el9eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 |
Unaffected:
0:2.2.40-1.SP3_redhat_00001.1.el9eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9 |
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 |
Unaffected:
0:7.4.25-2.GA_redhat_00001.1.el9eap , < *
(rpm)
cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9 |
||
| Red Hat | Red Hat AMQ Broker 7 |
cpe:/a:redhat:amq_broker:7
|
||
| Red Hat | Red Hat build of Apache Camel 4 for Quarkus 3 |
cpe:/a:redhat:camel_quarkus:3
|
||
| Red Hat | Red Hat build of Apache Camel for Spring Boot 4 |
cpe:/a:redhat:camel_spring_boot:4
|
||
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 |
cpe:/a:redhat:jboss_enterprise_application_platform:8
|
Date Public
2026-08-11 05:45
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"timestamp": "2026-09-09T14:23:26.132092Z",
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"packageName": "eap7-jboss-remoting",
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"product": "Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7",
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"versions": [
{
"lessThan": "*",
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"version": "0:2.5.5-30.SP12_redhat_00020.1.el7eap",
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}
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},
{
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],
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"versions": [
{
"lessThan": "*",
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"version": "0:2.5.5-24.SP12_redhat_00016.1.el7eap",
"versionType": "rpm"
}
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},
{
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"cpes": [
"cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7"
],
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"packageName": "eap7-undertow",
"product": "Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
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},
{
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"cpes": [
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"packageName": "eap7-wildfly",
"product": "Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:7.4.25-2.GA_redhat_00001.1.el7eap",
"versionType": "rpm"
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]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8"
],
"defaultStatus": "affected",
"packageName": "eap7-activemq-artemis",
"product": "Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:2.16.0-22.redhat_00057.1.el8eap",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8"
],
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"packageName": "eap7-glassfish-jsf",
"product": "Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:2.3.14-11.SP11_redhat_00001.1.el8eap",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8"
],
"defaultStatus": "affected",
"packageName": "eap7-ironjacamar",
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"cpes": [
"cpe:/a:redhat:camel_quarkus:3"
],
"defaultStatus": "unaffected",
"packageName": "artemis-core-client",
"product": "Red Hat build of Apache Camel 4 for Quarkus 3",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:camel_spring_boot:4"
],
"defaultStatus": "unaffected",
"packageName": "artemis-jms-client",
"product": "Red Hat build of Apache Camel for Spring Boot 4",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
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],
"defaultStatus": "unaffected",
"packageName": "artemis-server",
"product": "Red Hat build of Apache Camel for Spring Boot 4",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:camel_spring_boot:4"
],
"defaultStatus": "unaffected",
"packageName": "undertow-core",
"product": "Red Hat build of Apache Camel for Spring Boot 4",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
"cpes": [
"cpe:/a:redhat:jboss_enterprise_application_platform:8"
],
"defaultStatus": "affected",
"packageName": "artemis-core-client",
"product": "Red Hat JBoss Enterprise Application Platform 8",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
"cpes": [
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],
"defaultStatus": "affected",
"packageName": "artemis-jms-client",
"product": "Red Hat JBoss Enterprise Application Platform 8",
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"cpes": [
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],
"defaultStatus": "affected",
"packageName": "artemis-server",
"product": "Red Hat JBoss Enterprise Application Platform 8",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
"cpes": [
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],
"defaultStatus": "affected",
"packageName": "undertow-core",
"product": "Red Hat JBoss Enterprise Application Platform 8",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
"cpes": [
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],
"defaultStatus": "affected",
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],
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"descriptions": [
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"value": "EAP\u0027s Artemis deserialization configuration permits deserialization by default. ObjectMessage.getObject() uses ObjectInputStreamWithClassLoader, which implements allow-list/block-list filtering via its checkSecurity()/isTrustedType() method. However, by default both allow-list and block-list are empty. When the allow-list is empty (size == 0), isTrustedType() returns true for ALL classes. This means all classes are deserializable by default."
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},
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"description": "Deserialization of Untrusted Data",
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"tags": [
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],
"url": "https://access.redhat.com/errata/RHSA-2026:53644"
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{
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},
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},
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"time": "2026-05-15T15:34:21.130Z",
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],
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}
],
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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