Files
vuln-cve/data/2026/21xxx/CVE-2026-21728.json
T

503 lines
22 KiB
JSON

{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-21728",
"assignerOrgId": "57da9224-a3e2-4646-9d0e-c4dc2e05e7da",
"state": "PUBLISHED",
"assignerShortName": "GRAFANA",
"dateReserved": "2026-01-05T09:26:06.215Z",
"datePublished": "2026-04-24T08:00:47.074Z",
"dateUpdated": "2026-09-09T12:04:42.986Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "57da9224-a3e2-4646-9d0e-c4dc2e05e7da",
"shortName": "GRAFANA",
"dateUpdated": "2026-08-27T17:22:50.209Z"
},
"datePublic": "2026-02-23T07:40:45.862Z",
"title": "Tempo query limit results in unbounded memory allocation",
"descriptions": [
{
"lang": "en",
"value": "Tempo queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy.\n\nMitigation can be done by setting max_result_limit in the search config, e.g. to 262144 (2^18). Alternatively, automatically restart the service."
}
],
"affected": [
{
"vendor": "Grafana",
"product": "Tempo",
"defaultStatus": "unaffected",
"versions": [
{
"version": "1.3.0",
"status": "affected",
"versionType": "semver",
"lessThanOrEqual": "2.8.3"
},
{
"version": "2.9.0",
"status": "affected",
"versionType": "semver",
"lessThanOrEqual": "2.9.1"
},
{
"version": "2.10.0",
"status": "affected",
"versionType": "semver",
"lessThanOrEqual": "2.10.1"
}
]
},
{
"vendor": "Grafana",
"product": "Enterprise Traces (GET)",
"defaultStatus": "unaffected",
"versions": [
{
"version": "1.0.0",
"status": "affected",
"versionType": "semver",
"lessThanOrEqual": "2.8.7"
}
]
}
],
"references": [
{
"url": "https://grafana.com/security/security-advisories/cve-2026-21728",
"tags": [
"vendor-advisory"
]
}
],
"metrics": [
{
"cvssV3_1": {
"version": "3.1",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
}
],
"source": {
"discovery": "INTERNAL_FINDING"
},
"x_generator": {
"engine": "cvelib 1.8.0"
}
},
"adp": [
{
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-400",
"lang": "en",
"description": "CWE-400 Uncontrolled Resource Consumption"
}
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-04-24T11:29:58.649315Z",
"id": "CVE-2026-21728",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"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": "2026-04-24T13:06:58.775Z"
}
},
{
"affected": [
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:multicluster_globalhub:1.3::el9"
],
"defaultStatus": "affected",
"packageName": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9",
"product": "Multicluster Global Hub 1.3.4",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "1779212259",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:multicluster_globalhub:1.4::el9"
],
"defaultStatus": "affected",
"packageName": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9",
"product": "Multicluster Global Hub 1.4.5",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "1779579439",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:multicluster_globalhub:1.6::el9"
],
"defaultStatus": "affected",
"packageName": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9",
"product": "Multicluster Global Hub 1.6.5",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "1780167118",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:multicluster_globalhub:1.7::el9"
],
"defaultStatus": "affected",
"packageName": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9",
"product": "Multicluster Global Hub 1.7.0",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "1779925273",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:multicluster_globalhub:1.5::el9"
],
"defaultStatus": "affected",
"packageName": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9",
"product": "Red Hat multicluster global hub 1.5.3",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "1778867753",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:logging:6"
],
"defaultStatus": "unaffected",
"packageName": "openshift-logging/lokistack-gateway-rhel9",
"product": "Logging Subsystem for Red Hat OpenShift",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:multicluster_globalhub"
],
"defaultStatus": "unaffected",
"packageName": "multicluster-globalhub/multicluster-globalhub-grafana-rhel8",
"product": "Multicluster Global Hub",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:acm:2"
],
"defaultStatus": "unaffected",
"packageName": "rhacm2/acm-grafana-rhel9",
"product": "Red Hat Advanced Cluster Management for Kubernetes 2",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:ceph_storage:5"
],
"defaultStatus": "affected",
"packageName": "rhceph/rhceph-5-dashboard-rhel8",
"product": "Red Hat Ceph Storage 5",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:ceph_storage:6"
],
"defaultStatus": "affected",
"packageName": "rhceph/rhceph-6-dashboard-rhel9",
"product": "Red Hat Ceph Storage 6",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:ceph_storage:9"
],
"defaultStatus": "affected",
"packageName": "rhceph/grafana-rhel10",
"product": "Red Hat Ceph Storage 9",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:10"
],
"defaultStatus": "unaffected",
"packageName": "grafana",
"product": "Red Hat Enterprise Linux 10",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:9"
],
"defaultStatus": "unaffected",
"packageName": "grafana",
"product": "Red Hat Enterprise Linux 9",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift_distributed_tracing:3"
],
"defaultStatus": "affected",
"packageName": "rhosdt/tempo-gateway-rhel9",
"product": "Red Hat OpenShift distributed tracing 3",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift_distributed_tracing:3"
],
"defaultStatus": "unaffected",
"packageName": "rhosdt/tempo-query-rhel9",
"product": "Red Hat OpenShift distributed tracing 3",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift_distributed_tracing:3"
],
"defaultStatus": "unaffected",
"packageName": "rhosdt/tempo-rhel9",
"product": "Red Hat OpenShift distributed tracing 3",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift_distributed_tracing:3"
],
"defaultStatus": "unaffected",
"packageName": "rhosdt/tempo-rhel9-operator",
"product": "Red Hat OpenShift distributed tracing 3",
"vendor": "Red Hat"
}
],
"datePublic": "2026-04-24T08:00:47.074Z",
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Tempo. A remote attacker can exploit this vulnerability by sending large queries to the Tempo service. This can lead to excessive memory allocations, potentially causing a Denial of Service (DoS) by impacting the availability of the service."
}
],
"metrics": [
{
"other": {
"content": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"value": "Important"
},
"type": "Red Hat severity rating"
}
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-770",
"description": "Allocation of Resources Without Limits or Throttling",
"lang": "en",
"type": "CWE"
}
]
}
],
"references": [
{
"tags": [
"vdb-entry",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/security/cve/CVE-2026-21728"
},
{
"name": "RHBZ#2461395",
"tags": [
"issue-tracking",
"x_refsource_REDHAT"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461395"
},
{
"tags": [
"x_sadp-csaf-vex"
],
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-21728.json"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:22423"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:22347"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:23345"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:24503"
},
{
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:21769"
}
],
"solutions": [
{
"lang": "en",
"value": "RHSA-2026:22423: Multicluster Global Hub 1.3.4"
},
{
"lang": "en",
"value": "RHSA-2026:22347: Multicluster Global Hub 1.4.5"
},
{
"lang": "en",
"value": "RHSA-2026:23345: Multicluster Global Hub 1.6.5"
},
{
"lang": "en",
"value": "RHSA-2026:24503: Multicluster Global Hub 1.7.0"
},
{
"lang": "en",
"value": "RHSA-2026:21769: Red Hat multicluster global hub 1.5.3"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-04-24T09:00:58.144Z",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2026-04-24T08:00:47.074Z",
"value": "Made public."
}
],
"title": "grafana/tempo: Tempo: Denial of Service via large queries",
"x_adpType": "supplier",
"x_generator": {
"engine": "sadp-cli 1.0.0"
},
"providerMetadata": {
"orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"shortName": "redhat-SADP",
"dateUpdated": "2026-09-09T12:04:42.986Z"
}
}
]
}
}