GHSA-6xff-cpcq-vpw2

Suggest an improvement
Source
https://github.com/advisories/GHSA-6xff-cpcq-vpw2
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-6xff-cpcq-vpw2/GHSA-6xff-cpcq-vpw2.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-6xff-cpcq-vpw2
Aliases
Downstream
Published
2026-06-19T21:32:47Z
Modified
2026-09-10T03:50:48Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Grafana Tempo vulnerable to an out-of-memory crash
Details

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.

Database specific 
{
    "cwe_ids": [
        "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-08-28T21:50:55Z",
    "nvd_published_at": "2026-06-19T19:16:34Z",
    "severity": "MODERATE"
}
References

Affected packages

Go / github.com/grafana/tempo

Package

Name
github.com/grafana/tempo
View open source insights on deps.dev
Purl
pkg:golang/github.com/grafana/tempo

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.5.1-0.20260303204923-b13f74291d48

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-6xff-cpcq-vpw2/GHSA-6xff-cpcq-vpw2.json"