CVE-2026-16524
Full vulnerability record from the local CVENow database.
Description
A command injection flaw in PCP's linux_sockets PMDA allows malicious shell metacharacters via the network.persocket.filter metric. This failed validation lets attackers execute arbitrary commands as the PMDA user when metrics refresh.
Severity
HIGH
CVSS score
7.8
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-07-30 06:25:02.460000
Last modified
2026-11-04 22:18:00.767000
View original CVE JSON
{
"id": "CVE-2026-16524",
"sourceIdentifier": "[email protected]",
"published": "2026-07-30T06:25:02.460",
"lastModified": "2026-11-04T22:18:00.767",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A command injection flaw in PCP's linux_sockets PMDA allows malicious shell metacharacters via the network.persocket.filter metric.\nThis failed validation lets attackers execute arbitrary commands as the PMDA user when metrics refresh."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 10",
"defaultStatus": "affected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "pcp",
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.2"
],
"versions": [
{
"version": "0:7.0.3-5.el10_2",
"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
]
},
{
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"product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
"defaultStatus": "affected",
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"packageName": "pcp",
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
"versions": [
{
"version": "0:6.3.7-1.el10_0.1",
"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
]
},
{
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"packageName": "pcp",
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::appstream"
],
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{
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"lessThan": "*",
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"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "pcp",
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],
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{
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}
]
},
{
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"packageName": "pcp",
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"cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"
],
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{
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"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
]
},
{
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"product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
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"packageName": "pcp",
"cpes": [
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],
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{
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"lessThan": "*",
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}
]
},
{
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"packageName": "pcp",
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"cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"
],
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{
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"lessThan": "*",
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"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
"defaultStatus": "affected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "pcp",
"cpes": [
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"cpe:/a:redhat:rhel_tus:8.8::appstream"
],
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{
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"lessThan": "*",
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"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
"defaultStatus": "affected",
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"packageName": "pcp",
"cpes": [
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"cpe:/a:redhat:rhel_tus:8.8::appstream"
],
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{
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"lessThan": "*",
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"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9",
"defaultStatus": "affected",
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"packageName": "pcp",
"cpes": [
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],
"versions": [
{
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"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
"defaultStatus": "affected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "pcp",
"cpes": [
"cpe:/a:redhat:rhel_e4s:9.2::appstream"
],
"versions": [
{
"version": "0:6.0.1-8.el9_2.2",
"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions",
"defaultStatus": "affected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "pcp",
"cpes": [
"cpe:/a:redhat:rhel_e4s:9.4::appstream"
],
"versions": [
{
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"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9.6 Extended Update Support",
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"packageName": "pcp",
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],
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{
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"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 6",
"defaultStatus": "unknown",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "pcp",
"cpes": [
"cpe:/o:redhat:rhel_els:6"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 7",
"defaultStatus": "unaffected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "pcp",
"cpes": [
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]
},
{
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4",
"defaultStatus": "unaffected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "openshift/ose-rhel-coreos-9",
"cpes": [
"cpe:/a:redhat:openshift:4"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 5",
"defaultStatus": "unaffected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "openshift/ose-rhel-coreos-9",
"cpes": [
"cpe:/a:redhat:openshift:5"
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-30T14:37:48.088368Z",
"id": "CVE-2026-16524",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-78"
}
]
}
],
"references": [
{
"url": "https://access.redhat.com/errata/RHSA-2026:55560",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:55617",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:55740",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:72272",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:72273",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:72593",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:72594",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:73767",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:74612",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:74613",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/security/cve/CVE-2026-16524",
"source": "[email protected]"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2506023",
"source": "[email protected]"
}
]
}