WID-SEC-W-2026-2391

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Grafana Loki: Schwachstelle ermöglicht Denial of Service

view advisory published 2026-07-16

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Grafana Loki ausnutzen, um einen Denial of Service Angriff durchzuführen.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-21729US——
Loki queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy.
02

references

External citations — patches, advisories, analysis.

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