High 7.5Published Jul 16, 2026

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

Updated under an hour ago (2026-10-19 08:00 UTC)

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Exploited in the last 30 days

Loki queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy.

CVSS: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-770
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Awaiting Analysis
Record last updated: Jul 16, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

No affected products are listed yet.

References

https://grafana.com/security/security-advisories/cve-2026-21729

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.