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CVE-2026-27878

🗓️ 19 Jun 2026 19:02:27Reported by MendType 
mend
 mend
🔗 www.mend.io👁 8 Views

Authenticated DoS in Grafana Tempo via large exemplars hint in TraceQL queries.

Related
Detection
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
cve
CVE
CVE-2026-27878
19 Jun 202619:02
–cve
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
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
Vulners
Node
OR
grafanatempoRange2.10.0–2.10.2
grafanatempoRange2.9.0–2.9.2
grafanatempoRange<1.5.1-0.20260303204923-b13f74291d48
grafanatempoRange2.8.0–2.8.4

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07 Oct 2026 22:49Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.16.5
CVSS 47.1
EPSS0.00411
SSVC
8