{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-28383", "assignerOrgId": "57da9224-a3e2-4646-9d0e-c4dc2e05e7da", "state": "PUBLISHED", "assignerShortName": "GRAFANA", "dateReserved": "2026-02-27T07:16:12.219Z", "datePublished": "2026-05-13T19:28:36.952Z", "dateUpdated": "2026-05-14T12:36:22.328Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["OnPrem"], "product": "Grafana OSS", "vendor": "Grafana", "versions": [{"lessThanOrEqual": "11.6.14", "status": "affected", "version": "6.7.0", "versionType": "semver"}, {"lessThan": "11.6.14+security-04", "status": "affected", "version": "11.6.14", "versionType": "custom"}, {"lessThanOrEqual": "12.2.8", "status": "affected", "version": "12.0.0", "versionType": "semver"}, {"lessThan": "12.2.8+security-04", "status": "affected", "version": "12.2.8", "versionType": "custom"}, {"lessThanOrEqual": "12.3.6", "status": "affected", "version": "12.3.0", "versionType": "semver"}, {"lessThan": "12.3.6+security-04", "status": "affected", "version": "12.3.6", "versionType": "custom"}, {"lessThanOrEqual": "12.4.3", "status": "affected", "version": "12.4.0", "versionType": "semver"}, {"lessThan": "12.4.3+security-02", "status": "affected", "version": "12.4.3", "versionType": "custom"}, {"lessThanOrEqual": "13.0.1", "status": "affected", "version": "13.0.0", "versionType": "semver"}, {"lessThan": "13.0.1+security-01", "status": "affected", "version": "13.0.1", "versionType": "custom"}]}], "datePublic": "2026-05-13T07:44:00.000Z", "descriptions": [{"lang": "en", "value": "A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service."}], "metrics": [{"cvssV3_1": {"baseScore": 6.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "providerMetadata": {"orgId": "57da9224-a3e2-4646-9d0e-c4dc2e05e7da", "shortName": "GRAFANA", "dateUpdated": "2026-05-13T19:35:07.915Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://grafana.com/security/security-advisories/cve-2026-28383"}], "source": {"discovery": "INTERNAL"}, "title": "Grafana plugin resources can lead to unbounded memory allocation"}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-770", "lang": "en", "description": "CWE-770 Allocation of Resources Without Limits or Throttling"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-14T12:35:48.301448Z", "id": "CVE-2026-28383", "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": "2026-05-14T12:36:22.328Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-28383", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-14T12:35:48.301448Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-770", "description": "CWE-770 Allocation of Resources Without Limits or Throttling"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-14T12:36:08.072Z"}}], "cna": {"title": "Grafana plugin resources can lead to unbounded memory allocation", "source": {"discovery": "INTERNAL"}, "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 6.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}}], "affected": [{"vendor": "Grafana", "product": "Grafana OSS", "versions": [{"status": "affected", "version": "6.7.0", "versionType": "semver", "lessThanOrEqual": "11.6.14"}, {"status": "affected", "version": "11.6.14", "lessThan": "11.6.14+security-04", "versionType": "custom"}, {"status": "affected", "version": "12.0.0", "versionType": "semver", "lessThanOrEqual": "12.2.8"}, {"status": "affected", "version": "12.2.8", "lessThan": "12.2.8+security-04", "versionType": "custom"}, {"status": "affected", "version": "12.3.0", "versionType": "semver", "lessThanOrEqual": "12.3.6"}, {"status": "affected", "version": "12.3.6", "lessThan": "12.3.6+security-04", "versionType": "custom"}, {"status": "affected", "version": "12.4.0", "versionType": "semver", "lessThanOrEqual": "12.4.3"}, {"status": "affected", "version": "12.4.3", "lessThan": "12.4.3+security-02", "versionType": "custom"}, {"status": "affected", "version": "13.0.0", "versionType": "semver", "lessThanOrEqual": "13.0.1"}, {"status": "affected", "version": "13.0.1", "lessThan": "13.0.1+security-01", "versionType": "custom"}], "platforms": ["OnPrem"], "defaultStatus": "unaffected"}], "datePublic": "2026-05-13T07:44:00.000Z", "references": [{"url": "https://grafana.com/security/security-advisories/cve-2026-28383", "tags": ["vendor-advisory"]}], "descriptions": [{"lang": "en", "value": "A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service."}], "providerMetadata": {"orgId": "57da9224-a3e2-4646-9d0e-c4dc2e05e7da", "shortName": "GRAFANA", "dateUpdated": "2026-05-13T19:35:07.915Z"}}}, "cveMetadata": {"cveId": "CVE-2026-28383", "state": "PUBLISHED", "dateUpdated": "2026-05-14T12:36:22.328Z", "dateReserved": "2026-02-27T07:16:12.219Z", "assignerOrgId": "57da9224-a3e2-4646-9d0e-c4dc2e05e7da", "datePublished": "2026-05-13T19:28:36.952Z", "assignerShortName": "GRAFANA"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*", "matchCriteriaId": "3EB52192-B43E-44FD-A838-245DD579DF4E", "versionEndExcluding": "11.6.14", "versionStartIncluding": "8.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*", "matchCriteriaId": "37747AB2-8B5F-4BD3-860E-0C092A9F78F0", "versionEndExcluding": "12.2.8", "versionStartIncluding": "12.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*", "matchCriteriaId": "870FE01F-86F1-4734-9CC3-6FC9AF3012C5", "versionEndExcluding": "12.3.6", "versionStartIncluding": "12.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*", "matchCriteriaId": "4451FBC6-6277-4DD8-B143-0DAE82175D9A", "versionEndExcluding": "12.4.3", "versionStartIncluding": "12.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:grafana:grafana:11.6.14:-:*:*:*:*:*:*", "matchCriteriaId": "548C63DC-4E7F-4D9E-B2F0-AB24A66E0F7F", "vulnerable": true}, {"criteria": "cpe:2.3:a:grafana:grafana:11.6.14:security01:*:*:*:*:*:*", "matchCriteriaId": "5F103470-1371-498E-9442-11EA7C2E3A6B", "vulnerable": true}, {"criteria": "cpe:2.3:a:grafana:grafana:12.2.8:-:*:*:*:*:*:*", "matchCriteriaId": "4ACC0DB6-8BC4-4975-AD26-D41F69571EF6", "vulnerable": true}, {"criteria": "cpe:2.3:a:grafana:grafana:12.2.8:security01:*:*:*:*:*:*", "matchCriteriaId": "9EBE773D-17BB-4402-B0B8-74D3DD79B32C", "vulnerable": true}, {"criteria": "cpe:2.3:a:grafana:grafana:12.3.6:-:*:*:*:*:*:*", "matchCriteriaId": "6A58801D-1713-4A52-8713-9DD31F75698D", "vulnerable": true}, {"criteria": "cpe:2.3:a:grafana:grafana:12.3.6:security01:*:*:*:*:*:*", "matchCriteriaId": "5C930B25-FD06-477C-B226-DEB486A46DAA", "vulnerable": true}, {"criteria": "cpe:2.3:a:grafana:grafana:12.4.3:-:*:*:*:*:*:*", "matchCriteriaId": "172F03B1-E693-4EF3-90A0-D40773E4ACB4", "vulnerable": true}, {"criteria": "cpe:2.3:a:grafana:grafana:13.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "0F0B8E4F-ADE7-4594-9241-966B1F0BC440", "vulnerable": true}, {"criteria": "cpe:2.3:a:grafana:grafana:13.0.1:-:*:*:*:*:*:*", "matchCriteriaId": "2AD87DC5-DF20-4993-A11B-91EBB313A40A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service."}], "id": "CVE-2026-28383", "lastModified": "2026-06-02T19:28:54.580", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security@grafana.com", "type": "Secondary"}]}, "published": "2026-05-13T20:16:20.130", "references": [{"source": "security@grafana.com", "tags": ["Vendor Advisory"], "url": "https://grafana.com/security/security-advisories/cve-2026-28383"}], "sourceIdentifier": "security@grafana.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "grafana: Grafana: Denial of Service via unbounded memory allocation in plugin resources endpoint", "id": "2477255", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2477255"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in Grafana. An authenticated user can exploit a vulnerability in the plugin resources endpoint by sending a request that causes unbounded memory allocation. This occurs when the system attempts to read the entire request body into memory. Successful exploitation can lead to an out-of-memory condition, resulting in a denial of service (DoS) for the system."], "name": "CVE-2026-28383", "package_state": [{"cpe": "cpe:/a:redhat:multicluster_globalhub", "fix_state": "Fix deferred", "package_name": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9", "product_name": "Multicluster Global Hub"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Fix deferred", "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": "Not affected", "package_name": "rhceph/rhceph-5-dashboard-rhel8", "product_name": "Red Hat Ceph Storage 5"}, {"cpe": "cpe:/a:redhat:ceph_storage:6", "fix_state": "Not affected", "package_name": "rhceph/rhceph-6-dashboard-rhel9", "product_name": "Red Hat Ceph Storage 6"}, {"cpe": "cpe:/a:redhat:ceph_storage:8", "fix_state": "Fix deferred", "package_name": "rhceph/grafana-rhel9", "product_name": "Red Hat Ceph Storage 8"}, {"cpe": "cpe:/a:redhat:ceph_storage:9", "fix_state": "Fix deferred", "package_name": "rhceph/grafana-rhel10", "product_name": "Red Hat Ceph Storage 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-13T19:28:36Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-28383\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-28383\nhttps://grafana.com/security/security-advisories/cve-2026-28383"], "threat_severity": "Moderate"}