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vuln-cve/data/2026/86xxx/CVE-2026-86836.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-86836",
"assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
"state": "PUBLISHED",
"assignerShortName": "eclipse",
"dateReserved": "2026-09-08T14:40:05.969Z",
"datePublished": "2026-09-14T17:44:56.384Z",
"dateUpdated": "2026-09-15T08:18:26.215Z"
},
"containers": {
"cna": {
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"shortName": "eclipse",
"dateUpdated": "2026-09-15T08:18:26.215Z"
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"cweId": "CWE-379",
"description": "CWE-379",
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"cweId": "CWE-276",
"description": "CWE-276",
"type": "CWE"
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},
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"lang": "en",
"cweId": "CWE-367",
"description": "CWE-367",
"type": "CWE"
}
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],
"impacts": [
{
"capecId": "CAPEC-149",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-149"
}
]
}
],
"affected": [
{
"vendor": "Eclipse Foundation",
"product": "Eclipse Ankaios",
"versions": [
{
"status": "affected",
"version": "0.1.0",
"lessThanOrEqual": "1.0.2",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
],
"descriptions": [
{
"lang": "en",
"value": "In Eclipse Ankaios versions 0.1.0 through 1.0.2, the agent creates workload files and Control Interface named pipes (FIFOs) under a predictable path derived from the agent name and a hash of the workload's runtime configuration. If a directory or FIFO already exists at that path when the agent (re)starts, the agent reuses it based only on an existence and/or file-type check, without validating its owner or permissions. A local, unprivileged user with write access to the same base directory (by default under `$TMPDIR/ankaios`, e.g. shared `/tmp`) can pre-create this path hierarchy, including the two Control Interface FIFOs, before the agent starts. The agent then treats the attacker-owned FIFOs as the legitimate Control Interface for the targeted workload. The attacker can complete the Control Interface handshake and issue requests using that workload's configured `controlInterfaceAccess` permissions, allowing impersonation of the workload and, depending on its configured permissions, unauthorized reading and/or modification of the cluster's desired state.",
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"value": "<p>In Eclipse Ankaios versions 0.1.0 through 1.0.2, the agent creates workload files and Control Interface named pipes (FIFOs) under a predictable path derived from the agent name and a hash of the workload's runtime configuration. If a directory or FIFO already exists at that path when the agent (re)starts, the agent reuses it based only on an existence and/or file-type check, without validating its owner or permissions. A local, unprivileged user with write access to the same base directory (by default under `$TMPDIR/ankaios`, e.g. shared `/tmp`) can pre-create this path hierarchy, including the two Control Interface FIFOs, before the agent starts. The agent then treats the attacker-owned FIFOs as the legitimate Control Interface for the targeted workload. The attacker can complete the Control Interface handshake and issue requests using that workload's configured `controlInterfaceAccess` permissions, allowing impersonation of the workload and, depending on its configured permissions, unauthorized reading and/or modification of the cluster's desired state.</p>"
}
]
}
],
"references": [
{
"url": "https://gitlab.eclipse.org/security/cve-assignment/-/work_items/280"
},
{
"url": "https://github.com/eclipse-ankaios/ankaios/pull/799"
},
{
"url": "https://github.com/eclipse-ankaios/ankaios/releases/tag/v1.0.3"
}
],
"metrics": [
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"format": "CVSS",
"scenarios": [
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"lang": "en",
"value": "GENERAL"
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"cvssV4_0": {
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"subIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subAvailabilityImpact": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"version": "4.0",
"baseSeverity": "HIGH",
"baseScore": 8.4,
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:H"
}
}
],
"credits": [
{
"lang": "en",
"value": "https://gitlab.eclipse.org/krusev",
"type": "finder"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
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"adp": [
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"metrics": [
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"content": {
"timestamp": "2026-09-14T18:00:13.648615Z",
"id": "CVE-2026-86836",
"options": [
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"Exploitation": "none"
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"Automatable": "no"
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"role": "CISA Coordinator",
"version": "2.0.3"
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],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-09-14T18:00:25.088Z"
}
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]
}
}