{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-15555", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-07-13T04:57:54.377Z", "datePublished": "2026-08-11T08:49:40.634Z", "dateUpdated": "2026-08-11T08:49:40.634Z"}, "containers": {"cna": {"title": "Jboss-marshalling-river: wildfly-clustering-infinispan-marshalling: jboss deserialization rce via unfiltered river unmarshaller", "metrics": [{"other": {"content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in JBoss marshalling. The Infinispan session replication path deserializes replicated session data via the JBoss Marshalling River unmarshaller with no class filtering \u2014 enabling RCE via deserialization gadget chains on every cluster node."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat JBoss Enterprise Application Platform 7", "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html", "packageName": "jboss-marshalling-river", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:jboss_enterprise_application_platform:7"]}, {"vendor": "Red Hat", "product": "Red Hat JBoss Enterprise Application Platform 7", "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html", "packageName": "wildfly-clustering-infinispan-marshalling", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:jboss_enterprise_application_platform:7"]}, {"vendor": "Red Hat", "product": "Red Hat JBoss Enterprise Application Platform 8", "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html", "packageName": "jboss-marshalling-river", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:jboss_enterprise_application_platform:8"]}, {"vendor": "Red Hat", "product": "Red Hat JBoss Enterprise Application Platform 8", "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html", "packageName": "wildfly-clustering-infinispan-marshalling", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:jboss_enterprise_application_platform:8"]}, {"vendor": "Red Hat", "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack", "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html", "packageName": "jboss-marshalling-river", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:jbosseapxp"]}, {"vendor": "Red Hat", "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack", "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html", "packageName": "wildfly-clustering-infinispan-marshalling", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:jbosseapxp"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-15555", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480637", "name": "RHBZ#2480637", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-08-11T05:49:54.473Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-502", "description": "Deserialization of Untrusted Data", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-502: Deserialization of Untrusted Data", "timeline": [{"lang": "en", "time": "2026-05-21T20:47:36.888Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-08-11T05:49:54.473Z", "value": "Made public."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-08-11T08:49:40.634Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html", "cpes": ["cpe:/a:redhat:jboss_enterprise_application_platform:7"], "defaultStatus": "affected", "packageName": "jboss-marshalling-river", "product": "Red Hat JBoss Enterprise Application Platform 7", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html", "cpes": ["cpe:/a:redhat:jboss_enterprise_application_platform:7"], "defaultStatus": "affected", "packageName": "wildfly-clustering-infinispan-marshalling", "product": "Red Hat JBoss Enterprise Application Platform 7", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html", "cpes": ["cpe:/a:redhat:jboss_enterprise_application_platform:8"], "defaultStatus": "affected", "packageName": "jboss-marshalling-river", "product": "Red Hat JBoss Enterprise Application Platform 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html", "cpes": ["cpe:/a:redhat:jboss_enterprise_application_platform:8"], "defaultStatus": "affected", "packageName": "wildfly-clustering-infinispan-marshalling", "product": "Red Hat JBoss Enterprise Application Platform 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html", "cpes": ["cpe:/a:redhat:jbosseapxp"], "defaultStatus": "affected", "packageName": "jboss-marshalling-river", "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html", "cpes": ["cpe:/a:redhat:jbosseapxp"], "defaultStatus": "affected", "packageName": "wildfly-clustering-infinispan-marshalling", "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack", "vendor": "Red Hat"}], "source": "secalert@redhat.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in JBoss marshalling. The Infinispan session replication path deserializes replicated session data via the JBoss Marshalling River unmarshaller with no class filtering \u2014 enabling RCE via deserialization gadget chains on every cluster node."}], "id": "CVE-2026-15555", "lastModified": "2026-08-11T09:17:12.540", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "secalert@redhat.com", "type": "Primary"}]}, "published": "2026-08-11T09:17:12.540", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-15555"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480637"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "secalert@redhat.com", "type": "Primary"}]}

{"bugzilla": {"description": "jboss-marshalling-river: wildfly-clustering-infinispan-marshalling: Jboss Deserialization RCE via Unfiltered River Unmarshaller", "id": "2480637", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480637"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-502", "details": ["A flaw was found in JBoss marshalling. The Infinispan session replication path deserializes replicated session data via the JBoss Marshalling River unmarshaller with no class filtering \u2014 enabling RCE via deserialization gadget chains on every cluster node."], "name": "CVE-2026-15555", "package_state": [{"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Affected", "package_name": "jboss-marshalling-river", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Affected", "package_name": "wildfly-clustering-infinispan-marshalling", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Affected", "package_name": "jboss-marshalling-river", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Affected", "package_name": "wildfly-clustering-infinispan-marshalling", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "jboss-marshalling-river", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "wildfly-clustering-infinispan-marshalling", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}], "public_date": "2026-08-11T05:49:54Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-15555\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-15555"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 89.0, "confidence_source": "matching", "scores": [{"score": 89.0, "source": "matching"}]}, "original": {"product": "Red Hat JBoss Enterprise Application Platform 7", "source": "cna", "vendor": "Red Hat"}, "product": "jboss_enterprise_application_platform", "vendor": "redhat"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 93.0, "confidence_source": "matching", "scores": [{"score": 93.0, "source": "matching"}]}, "original": {"product": "Red Hat JBoss Enterprise Application Platform Expansion Pack", "source": "cna", "vendor": "Red Hat"}, "product": "jboss_enterprise_application_platform_expansion_pack", "vendor": "redhat"}], "created": "2026-08-11T11:00:04.845439+00:00", "updated": "2026-08-11T14:00:14.129955+00:00", "vendors": ["redhat", "redhat$PRODUCT$jboss_enterprise_application_platform", "redhat$PRODUCT$jboss_enterprise_application_platform_expansion_pack"]}