Unrated severityNVD Advisory· Published Jul 16, 2026· Updated Jul 29, 2026
Loki detected_fields query limits results in unbounded memory allocation
CVE-2026-21729
Description
Loki queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy.
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Affected products
1Patches
Vulnerability mechanics
References
1- grafana.com/security/security-advisories/cve-2026-21729mitrevendor-advisory
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