{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92542", "assignerOrgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "state": "PUBLISHED", "assignerShortName": "Docker", "dateReserved": "2026-09-16T13:00:30.172Z", "datePublished": "2026-10-07T16:42:20.998Z", "dateUpdated": "2026-10-07T20:30:49.884Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["Linux"], "product": "Docker Engine", "vendor": "Docker", "versions": [{"version": "0", "status": "affected", "lessThan": "25.0.19", "versionType": "semver"}, {"version": "26.0.0", "status": "affected", "lessThan": "29.8.2", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageName": "github.com/docker/docker/libnetwork/drivers/overlay", "platforms": ["Linux"], "product": "Docker Engine overlay network driver", "vendor": "Docker", "versions": [{"version": "0", "status": "affected", "lessThan": "v25.0.19", "versionType": "semver"}, {"version": "v26.0.0", "status": "affected", "lessThan": "*", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageName": "github.com/moby/moby/v2/daemon/libnetwork/drivers/overlay", "platforms": ["Linux"], "product": "Moby overlay network driver", "vendor": "Moby", "versions": [{"version": "v2.0.0-beta.0", "status": "affected", "lessThan": "v2.0.0-beta.25", "versionType": "semver"}]}], "configurations": [{"lang": "en", "value": "Linux Swarm nodes participating in an encrypted overlay network"}], "descriptions": [{"lang": "en", "value": "The firewall rules which mark VXLAN datagrams for encryption indiscriminately match both authentic VXLAN datagrams sent from the kernel and forged datagrams sent by user processes. Any packet sent from the host network namespace of a Linux Swarm node is encrypted with the overlay-network IPsec parameters which meets the following criteria:\n\n- UDP datagram\n- Destination port is the Swarm data-path port\n- Datagram starts with a VXLAN header for the VNI of an encrypted overlay network which any running container on the node is connected to"}], "impacts": [{"descriptions": [{"lang": "en", "value": "An unprivileged user on a Swarm node can trivially inject forged Ethernet frames into an encrypted overlay network on another node."}]}], "metrics": [{"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N", "baseScore": 6.9, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "providerMetadata": {"orgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "shortName": "Docker", "dateUpdated": "2026-10-07T16:42:20.998Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://github.com/moby/moby/security/advisories/GHSA-6m9p-4h64-m6vh"}], "title": "Blind VXLAN injection into encrypted overlay networks from cluster peer", "workarounds": [{"lang": "en", "value": "Block userspace processes from sending UDP packets to the Swarm data-path port.\n\niptables -I OUTPUT -p udp --dport \"$(docker info --format '{{.Swarm.Cluster.DataPathPort}}')\" -m owner --socket-exists -j DROP"}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-290", "lang": "en", "description": "CWE-290 Authentication Bypass by Spoofing"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-07T20:30:27.853237Z", "id": "CVE-2026-92542", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T20:30:49.884Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-92542", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-07T20:30:27.853237Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-290", "description": "CWE-290 Authentication Bypass by Spoofing"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T20:30:44.871Z"}}], "cna": {"title": "Blind VXLAN injection into encrypted overlay networks from cluster peer", "impacts": [{"descriptions": [{"lang": "en", "value": "An unprivileged user on a Swarm node can trivially inject forged Ethernet frames into an encrypted overlay network on another node."}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.9, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Docker", "product": "Docker Engine", "versions": [{"status": "affected", "version": "0", "lessThan": "25.0.19", "versionType": "semver"}, {"status": "affected", "version": "26.0.0", "lessThan": "29.8.2", "versionType": "semver"}], "platforms": ["Linux"], "defaultStatus": "unaffected"}, {"vendor": "Docker", "product": "Docker Engine overlay network driver", "versions": [{"status": "affected", "version": "0", "lessThan": "v25.0.19", "versionType": "semver"}, {"status": "affected", "version": "v26.0.0", "lessThan": "*", "versionType": "semver"}], "platforms": ["Linux"], "packageName": "github.com/docker/docker/libnetwork/drivers/overlay", "defaultStatus": "unaffected"}, {"vendor": "Moby", "product": "Moby overlay network driver", "versions": [{"status": "affected", "version": "v2.0.0-beta.0", "lessThan": "v2.0.0-beta.25", "versionType": "semver"}], "platforms": ["Linux"], "packageName": "github.com/moby/moby/v2/daemon/libnetwork/drivers/overlay", "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/moby/moby/security/advisories/GHSA-6m9p-4h64-m6vh", "tags": ["vendor-advisory"]}], "workarounds": [{"lang": "en", "value": "Block userspace processes from sending UDP packets to the Swarm data-path port.\n\niptables -I OUTPUT -p udp --dport \"$(docker info --format '{{.Swarm.Cluster.DataPathPort}}')\" -m owner --socket-exists -j DROP"}], "descriptions": [{"lang": "en", "value": "The firewall rules which mark VXLAN datagrams for encryption indiscriminately match both authentic VXLAN datagrams sent from the kernel and forged datagrams sent by user processes. Any packet sent from the host network namespace of a Linux Swarm node is encrypted with the overlay-network IPsec parameters which meets the following criteria:\n\n- UDP datagram\n- Destination port is the Swarm data-path port\n- Datagram starts with a VXLAN header for the VNI of an encrypted overlay network which any running container on the node is connected to"}], "configurations": [{"lang": "en", "value": "Linux Swarm nodes participating in an encrypted overlay network"}], "providerMetadata": {"orgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "shortName": "Docker", "dateUpdated": "2026-10-07T16:42:20.998Z"}}}, "cveMetadata": {"cveId": "CVE-2026-92542", "state": "PUBLISHED", "dateUpdated": "2026-10-07T20:30:49.884Z", "dateReserved": "2026-09-16T13:00:30.172Z", "assignerOrgId": "686469e6-3ff6-451b-ab8b-cf5b9e89401e", "datePublished": "2026-10-07T16:42:20.998Z", "assignerShortName": "Docker"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Linux"], "product": "Docker Engine", "vendor": "Docker", "versions": [{"lessThan": "25.0.19", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "29.8.2", "status": "affected", "version": "26.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageName": "github.com/docker/docker/libnetwork/drivers/overlay", "platforms": ["Linux"], "product": "Docker Engine overlay network driver", "vendor": "Docker", "versions": [{"lessThan": "v25.0.19", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "*", "status": "affected", "version": "v26.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageName": "github.com/moby/moby/v2/daemon/libnetwork/drivers/overlay", "platforms": ["Linux"], "product": "Moby overlay network driver", "vendor": "Moby", "versions": [{"lessThan": "v2.0.0-beta.25", "status": "affected", "version": "v2.0.0-beta.0", "versionType": "semver"}]}], "source": "security@docker.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The firewall rules which mark VXLAN datagrams for encryption indiscriminately match both authentic VXLAN datagrams sent from the kernel and forged datagrams sent by user processes. Any packet sent from the host network namespace of a Linux Swarm node is encrypted with the overlay-network IPsec parameters which meets the following criteria:\n\n- UDP datagram\n- Destination port is the Swarm data-path port\n- Datagram starts with a VXLAN header for the VNI of an encrypted overlay network which any running container on the node is connected to"}], "id": "CVE-2026-92542", "lastModified": "2026-10-07T21:17:21.650", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@docker.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-92542", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-07T20:30:27.853237Z", "version": "2.0.3"}}]}, "published": "2026-10-07T17:17:02.580", "references": [{"source": "security@docker.com", "url": "https://github.com/moby/moby/security/advisories/GHSA-6m9p-4h64-m6vh"}], "sourceIdentifier": "security@docker.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "github.com/moby/moby: Moby: Unauthorized traffic injection via forged VXLAN datagrams", "id": "2547588", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2547588"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "status": "draft"}, "cwe": "CWE-346", "details": ["A flaw was found in Moby. Firewall rules for encrypted Swarm overlay networks fail to distinguish between authentic kernel traffic and packets crafted by user processes. A local attacker can exploit this flaw by sending forged Virtual Extensible LAN (VXLAN) datagrams matching the overlay network configuration, causing the host to encrypt and route the traffic. This issue allows an attacker to inject unauthorized traffic into secure container networks, leading to network data tampering and a Denial of Service (DoS)."], "name": "CVE-2026-92542", "package_state": [{"cpe": "cpe:/a:redhat:multicluster_engine", "fix_state": "Affected", "package_name": "multicluster-engine/assisted-service-9-rhel9", "product_name": "Multicluster Engine for Kubernetes"}, {"cpe": "cpe:/a:redhat:multicluster_globalhub", "fix_state": "Affected", "package_name": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9", "product_name": "Multicluster Global Hub"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Affected", "package_name": "rhacm2/acm-grafana-rhel9", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:ceph_storage:5", "fix_state": "Affected", "package_name": "rhceph/rhceph-5-dashboard-rhel8", "product_name": "Red Hat Ceph Storage 5"}, {"cpe": "cpe:/a:redhat:ceph_storage:7", "fix_state": "Affected", "package_name": "rhceph/grafana-rhel9", "product_name": "Red Hat Ceph Storage 7"}, {"cpe": "cpe:/a:redhat:ceph_storage:9", "fix_state": "Affected", "package_name": "rhceph/grafana-rhel10", "product_name": "Red Hat Ceph Storage 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-agent-installer-api-server-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-agent-installer-api-server-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-console", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-07T16:42:20Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-92542\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-92542\nhttps://github.com/moby/moby/security/advisories/GHSA-6m9p-4h64-m6vh"], "threat_severity": "Important"}

{"created": "2026-10-07T17:30:17.723849+00:00", "updated": "2026-10-08T15:00:16.445009+00:00", "vendors": []}