Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
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 max_result_limit in the search config, e.g. to 262144 (2^18). Alternatively, automatically restart the service.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
STABLE
If you run products in this scope, you should treat this CVE as relevant to your environment.
⚠️ Vulnerabilidad en productos Grafana ❗ CVE-2026-21728 ➡️ Más info: https://www.cert.gov.py/vulnerabilidad-en-productos-grafana-3/ https://t.co/EFSBsjYVuK
Post summary
The post announces a new vulnerability affecting Grafana products (CVE-2026-21728) and points readers to external links for more information.
CVE-2026-21728 Tempo queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy. Mitigation… https://www.cve.org/CVERecord?id=CVE-2026-21728
Post summary
CVE-2026-21728 exploits memory allocation via large Tempo query limits to potentially cause denial of service, with mitigation guidance available in the CVE record.
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| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | grafana | tempo | - | - | - |