GHSA-p4r4-xvrq-gvmc
Suggest an improvement- Source
- https://github.com/advisories/GHSA-p4r4-xvrq-gvmc
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-p4r4-xvrq-gvmc/GHSA-p4r4-xvrq-gvmc.json
- JSON Data
- https://api.osv.dev/v1/vulns/GHSA-p4r4-xvrq-gvmc
- Aliases
-
- CVE-2026-21728
- Downstream
- Related
- Published
- 2026-04-24T09:30:30Z
- Modified
- 2026-05-06T03:29:15.680561667Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- Grafana Tempo has an Uncontrolled Resource Consumption issue
- Details
-
Tempo queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy.
Mitigation can be done by setting maxresultlimit in the search config, e.g. to 262144 (2^18).
- Database specific
{ "github_reviewed": true, "github_reviewed_at": "2026-05-05T00:24:31Z", "cwe_ids": [ "CWE-400" ], "severity": "HIGH", "nvd_published_at": "2026-04-24T09:16:03Z" }- References
-
- https://nvd.nist.gov/vuln/detail/CVE-2026-21728
- https://github.com/grafana/tempo/pull/6525
- https://github.com/grafana/tempo/commit/650eb1985a0776789c8564122990f588a742356f
- https://github.com/grafana/tempo
- https://github.com/grafana/tempo/blob/4dc3e5b0d3463a0b67498b662b85a148698b4afd/docs/sources/tempo/release-notes/version-2/v2-10.md?plain=1#L328
- https://github.com/grafana/tempo/blob/4dc3e5b0d3463a0b67498b662b85a148698b4afd/docs/sources/tempo/release-notes/version-2/v2-8.md?plain=1#L251
- https://github.com/grafana/tempo/blob/4dc3e5b0d3463a0b67498b662b85a148698b4afd/docs/sources/tempo/release-notes/version-2/v2-9.md?plain=1#L224
- https://grafana.com/security/security-advisories/cve-2026-21728
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
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
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