Medium
Viewer-triggered race condition in Grafana Live leads to complete server crash
Type: advisorySources: OSV
A race condition in Grafana Live allows authenticated users with Viewer role to trigger a server crash by sending concurrent requests that cause a fatal map access error. This results in complete service unavailability requiring restart of the Grafana server.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-28379
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 22:47 UTC · Revision 1
Source evidence
Viewer-triggered race condition in Grafana Live leads to complete server crash
core-osv · Original sourcePublished 13 May 2026, 19:28 UTC
A race condition in Grafana Live allows authenticated users with Viewer role to trigger a server crash by sending concurrent requests that cause a fatal map access error. This results in complete service unavailability requiring restart of the Grafana server.
osv:CVE-2026-28379
Complete source record
{
"id": "301d40a011bedef390f54b4c4c3db36bc36e63d2887866dae37b98f0c53d4039",
"url": "https://osv.dev/vulnerability/CVE-2026-28379",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Viewer-triggered race condition in Grafana Live leads to complete server crash",
"summary": "A race condition in Grafana Live allows authenticated users with Viewer role to trigger a server crash by sending concurrent requests that cause a fatal map access error. This results in complete service unavailability requiring restart of the Grafana server.",
"evidence": "osv:CVE-2026-28379",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-28379",
"aliases": [
"BIT-grafana-2026-28379",
"CVE-2026-28379"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
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"repo": "https://github.com/grafana/grafana",
"type": "GIT",
"events": [
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{
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{
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{
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{
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{
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{
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{
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}
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{
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{
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"range": [
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{
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{
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"source": "CPE_STRING"
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{
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{
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"source": "CPE_STRING"
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{
"cpe": "cpe:2.3:a:grafana:grafana:12.2.8:-:*:*:*:*:*:*",
"range": [
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{
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],
"source": "CPE_STRING"
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{
"cpe": "cpe:2.3:a:grafana:grafana:12.2.8:security01:*:*:*:*:*:*",
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"source": "CPE_STRING"
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{
"cpe": "cpe:2.3:a:grafana:grafana:12.3.6:-:*:*:*:*:*:*",
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{
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"source": "CPE_STRING"
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{
"cpe": "cpe:2.3:a:grafana:grafana:12.4.3:-:*:*:*:*:*:*",
"range": [
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{
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"source": "CPE_STRING"
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{
"cpe": "cpe:2.3:a:grafana:grafana:13.0.0:*:*:*:*:*:*:*",
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},
{
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"range": [
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{
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],
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}
],
"versions": [
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"11.6.14-security01",
"12.2.8-NA",
"12.2.8-security01",
"12.3.6-NA",
"12.3.6-security01",
"12.4.3-NA",
"13.0.0",
"13.0.1-NA"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-28379.json"
}
}
],
"modified": "2026-10-28T02:30:24.016382224Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28379.json",
"https://grafana.com/security/security-advisories/cve-2026-28379",
"https://nvd.nist.gov/vuln/detail/CVE-2026-28379"
],
"provider_metadata": {
"cna_assigner": "GRAFANA",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
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"introduced": "8.2.0"
},
{
"last_affected": "11.6.14"
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{
"introduced": "11.6.14"
},
{
"fixed": "11.6.14+security-04"
},
{
"introduced": "12.0.0"
},
{
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{
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{
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{
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{
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{
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{
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},
{
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},
{
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},
{
"introduced": "12.4.3"
},
{
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},
{
"introduced": "13.0.0"
},
{
"last_affected": "13.0.1"
},
{
"introduced": "13.0.1"
},
{
"fixed": "13.0.1+security-01"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28379.json"
}
},
"related_cves": [
{
"value": "CVE-2026-28379",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 490656,
"published_at": "2026-05-13T19:28:25.836+00:00"
}