PT-2026-51011 · Grafana+1 · Grafana Tempo+1

CVE-2026-27878

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Published

2026-03-25

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Updated

2026-09-08

CVSS v2.0

6.8

Medium

VectorAV:N/AC:L/Au:S/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions Grafana Tempo (affected versions not specified)
Description A TraceQL query containing a large exemplars hint value can lead to excessive memory allocation within the Tempo instance. This condition may result in an out-of-memory crash, allowing an authenticated user to cause a denial of service against the service.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Resource Exhaustion

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Weakness Enumeration

Related Identifiers

BDU:2026-09519
CVE-2026-27878
GHSA-6XFF-CPCQ-VPW2
GO-2026-6325
OPENSUSE-SU-2026:21812-1

Affected Products

Grafana Tempo
Red Os