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CVE-2026-27878

🗓️ 19 Jun 2026 19:02:27Reported by GRAFANAType 
cve
 cve
🔗 web.nvd.nist.gov👁 83 Views

TraceQL query with a large exemplars hint in Grafana Tempo can cause unbounded memory usage.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-27878
19 Jun 202619:02
–attackerkb
bdu_fstec
BDU FSTEC
TraceQL DoS
10 Jul 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-27878 vulnerabilities
30 Aug 202602:17
–cgr
cvelist
Cvelist
CVE-2026-27878 Tempo TraceQL query with exemplar hint could result in unbounded memory usage
19 Jun 202619:02
–cvelist
euvd
EUVD
EUVD-2026-38066
19 Jun 202619:02
–euvd
github
Github Security Blog
Grafana Tempo vulnerable to an out-of-memory crash
19 Jun 202621:32
–github
grafana
Grafana
Tempo denial of service via TraceQL exemplars hint (TraceQL query execution)
23 Mar 202600:00
–grafana
mend
Mend
CVE-2026-27878
19 Jun 202619:02
–mend
nvd
NVD
CVE-2026-27878
19 Jun 202619:16
–nvd
osv_cga
osv_cga
CGA-2667-263J-3RQ6
29 Aug 202613:12
–osv_cga
Rows per page
NVD
Node
OR
grafanatempoRange2.6.0–2.8.4
grafanatempoRange2.9.0–2.9.2
grafanatempoRange2.10.0–2.10.2
[
  {
    "vendor": "Grafana",
    "product": "Enterprise Traces (GET)",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "2.6.1",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2.8.8"
      }
    ]
  },
  {
    "vendor": "Grafana",
    "product": "Tempo",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "2.6.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2.10.2"
      }
    ]
  }
]

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27 Aug 2026 17:22Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.16.5
EPSS0.00411
SSVC
83