CVE Explorer
CVE-2026-21729
Loki queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","platforms":["OnPrem","Cloud"],"product":"Loki","vendor":"Grafana","versions":[{"lessThan":"v3.7.0","status":"affected","version":"v3.0.0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:75d7efae3dbdd0ba5ec5d3bb240809ec260a86f39bddfb2f096b6a092b5971f2 · sha256:d1ff5638a2f8d570… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:75d7efae3dbdd0ba5ec5d3bb240809ec260a86f39bddfb2f096b6a092b5971f2 · sha256:d1ff5638a2f8d570… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:75d7efae3dbdd0ba5ec5d3bb240809ec260a86f39bddfb2f096b6a092b5971f2 · sha256:d1ff5638a2f8d570… · /containers/adp/0/problemTypes/0/descriptions/0
Source references
1 source assertion{"tags":["vendor-advisory"],"url":"https://grafana.com/security/security-advisories/cve-2026-21729"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:75d7efae3dbdd0ba5ec5d3bb240809ec260a86f39bddfb2f096b6a092b5971f2 · sha256:d1ff5638a2f8d570… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.