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CVE-2026-27878mediumCWE-400

Tempo TraceQL query with exemplar hint could result in unbounded memory usage

13Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 6.5epss 0.4%
probabilidade de exploração
0.4%top 66% das CVEs
exploração observada
nãonenhuma fonte reporta
A TraceQL query in Grafana Tempo with a large exemplars hint value can cause the Tempo instance to allocate an excessive amount of memory, resulting in an out-of-memory crash. This could allow an authenticated user to trigger a denial of service against the Tempo service.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H