Medium
Query resampling can cause unbounded memory allocations
Type: advisorySources: OSV
A resample query can be used to trigger out-of-memory crashes in Grafana.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-27879
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 21:18 UTC · Revision 1
Source evidence
Query resampling can cause unbounded memory allocations
core-osv · Original sourcePublished 27 Mar 2026, 14:28 UTC
A resample query can be used to trigger out-of-memory crashes in Grafana.
osv:CVE-2026-27879
Complete source record
{
"id": "14d8f052f990c359c7139a8783106fd5de40979948a470a4c1c375c0fdc9496b",
"url": "https://osv.dev/vulnerability/CVE-2026-27879",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Query resampling can cause unbounded memory allocations",
"summary": "A resample query can be used to trigger out-of-memory crashes in Grafana.",
"evidence": "osv:CVE-2026-27879",
"products": [],
"severity": "medium",
"structured": {
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"aliases": [
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"CVE-2026-27879"
],
"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
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"versions": [
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"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27879.json"
}
}
],
"modified": "2026-10-28T02:30:51.603628061Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27879.json",
"https://grafana.com/security/security-advisories/cve-2026-27879",
"https://nvd.nist.gov/vuln/detail/CVE-2026-27879"
],
"provider_metadata": {
"cna_assigner": "GRAFANA",
"unresolved_ranges": [
{
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],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27879.json"
}
},
"related_cves": [
{
"value": "CVE-2026-27879",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 520433,
"published_at": "2026-03-27T14:28:56.133+00:00"
}