What is GHSA-6xff-cpcq-vpw2?

GHSA-6xff-cpcq-vpw2 is a security advisory published by GitHub Security Advisories with Medium severity. A TraceQL query in Grafana Tempo with a large exemplars hint value can cause the Tempo instance...

Which CVE IDs does GHSA-6xff-cpcq-vpw2 cover?

GHSA-6xff-cpcq-vpw2 covers the following CVE IDs: CVE-2026-27878. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6xff-cpcq-vpw2?

GHSA-6xff-cpcq-vpw2 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-6xff-cpcq-vpw2MediumCVSS 6.5

A TraceQL query in Grafana Tempo with a large exemplars hint value can cause the Tempo instance...

Vendor

GitHub Security Advisories

Published

June 19, 2026

Last Modified

June 19, 2026

🔗 CVE IDs covered (1)

CVE-2026-27878 →

📋 Description

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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-27878
https://grafana.com/security/security-advisories/cve-2026-27878
https://github.com/advisories/GHSA-6xff-cpcq-vpw2