SUSE CVE-2026-27878

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...

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.

The vulnerability of the TraceQL query language used in Grafana Tempo’s storage and analysis software for distributed trace data involves an uncontrolled consumption of resources. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

GHSA-6XFF-CPCQ-VPW2 Grafana Tempo vulnerable to an out-of-memory crash

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...

Grafana Tempo vulnerable to an out-of-memory crash

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...

CVE-2026-27878

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...

CVE-2026-27878

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...

CVE-2026-27878 Tempo TraceQL query with exemplar hint could result in unbounded memory usage

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...

EUVD-2026-38066

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...

CVE-2026-27878 Tempo TraceQL query with exemplar hint could result in unbounded memory usage

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...

CVE-2026-27878

Grafana Tempo is affected by CVE-2026-27878 due to a TraceQL query that uses a large exemplars hint value, which can cause the Tempo instance to allocate excessive memory and crash (out-of-memory) for an authenticated user, enabling a denial of service. The public documents describe the issue and...

CVE-2026-27878 Tempo TraceQL query with exemplar hint could result in unbounded memory usage

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...

CVE-2026-27878: Uncontrolled Resource Consumption

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...

PT-2026-51011

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 ...

Tempo denial of service via TraceQL exemplars hint (TraceQL query execution)

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. Tempo OSS is fixed in...