The vulnerability of the TraceQL query language used in the software for storing and analyzing distributed tracebacks of Grafana Tempo allows a attacker to cause a service failure.
🗓️ 10 Jul 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 9 Views
| Reporter | Title | Published | Views | Family All 68 |
|---|---|---|---|---|
 | CVE-2026-27878 | 19 Jun 202619:02 | – | attackerkb |
 | CVE-2026-27878 vulnerabilities | 30 Aug 202602:17 | – | cgr |
 | CVE-2026-27878 | 19 Jun 202619:02 | – | cve |
 | CVE-2026-27878 Tempo TraceQL query with exemplar hint could result in unbounded memory usage | 19 Jun 202619:02 | – | cvelist |
 | EUVD-2026-38066 | 19 Jun 202619:02 | – | euvd |
 | Grafana Tempo vulnerable to an out-of-memory crash | 19 Jun 202621:32 | – | github |
 | Tempo denial of service via TraceQL exemplars hint (TraceQL query execution) | 23 Mar 202600:00 | – | grafana |
 | CVE-2026-27878 | 19 Jun 202619:16 | – | nvd |
 | CGA-2667-263J-3RQ6 | 29 Aug 202613:12 | – | osv |
| CGA-288F-9F45-C733 | 29 Aug 202612:32 | – | osv |
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10 Jul 2026 00:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 36.5
CVSS 26.8
EPSS0.00411