CVE-2026-21728: grafana enterprise traces (get) Uncontrolled Resource Consumption
CVSS: 7.5v3.1HighModified
AliasesCGA-2pfq-fm3x-x2mjCGA-3m23-8hmf-gjf8CGA-4mmg-jcp9-v6fvCGA-753j-f87j-vr94CGA-87gr-655j-j4f4CGA-w3r4-ffm8-p6ppGHSA-p4r4-xvrq-gvmcGO-2026-5528CGA-2fjv-pg8x-5553CGA-33w3-cfc2-7fm9CGA-3m2m-53gp-pj7cCGA-3p69-h2vv-77fvCGA-3wfj-prf2-6rrrCGA-5m3c-9hx3-429pCGA-5pmq-h388-qjg2CGA-5wcr-v898-wp2pCGA-626g-mch3-x4wfCGA-6526-2pqr-58cqCGA-66c7-4whc-65q8CGA-884h-qc78-5jw5CGA-8rhp-4cv8-c3rwCGA-9742-ffxv-grfwCGA-9r8g-424p-283pCGA-c36x-q5pc-2pmqCGA-cw23-r56h-wpvcCGA-f24x-c97h-6v88CGA-f86c-85wf-49w3CGA-f9fv-v9hw-c8r8CGA-fhwg-94cf-c8hmCGA-gx7p-cg89-j2pwCGA-hwcg-rxm7-p759CGA-hwmq-v8h2-7vqhCGA-j64h-2mjm-83c8CGA-j72x-8v9j-5g39CGA-j9w4-fhww-vg8qCGA-m8jr-xpgf-w4pfCGA-m8rh-85x9-8mj2CGA-m96r-fcqc-pgvgCGA-p2gf-63rj-f7j4CGA-p6cp-xvxw-g5m5CGA-pcwq-cpgp-cxm5CGA-pxg5-qxhw-gg6wCGA-q752-j9cq-j8m9CGA-qfhw-rrcw-jxm2CGA-r47v-h538-g8v5CGA-r9xh-7927-m26cCGA-rfpw-ch7h-q3vmCGA-rq2f-4ghh-2w5wCGA-v5mp-8v5m-ccqmCGA-v67j-r249-j67mCGA-vww6-mwmr-4vm8CGA-w3f6-3jg4-j9j2CGA-w9v7-7qrr-4986CGA-wmhg-9jcr-xqwrCGA-x565-qc36-26x5CGA-x6p5-c982-9gw3CGA-x867-phh2-fr33
Published 24-04-2026Last modified 09-09-2026
Vulnerability summary
CVE-2026-21728 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in grafana enterprise traces (get). EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.5% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.64%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 2Timeline
- 24-04-2026PublishedVulnerability first disclosed.
- 09-09-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 5 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 5 agree
- OSV · WolfiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · GoEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.64%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
0.00 pp
From 0.64% on 20-09-2026
20-09-202620-10-2026
EPSS score0.64%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-400Uncontrolled Resource ConsumptionThe product does not properly control the allocation and maintenance of a limited resource.
- CWE-770Allocation of Resources Without Limits or ThrottlingThe product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
Affected systems
Chainguard28 products
- commercial-grafana-11.6All versions (No fix recorded)
- commercial-grafana-12.1All versions (No fix recorded)
- commercial-grafana-12.2All versions (No fix recorded)
- commercial-grafana-12.3All versions (No fix recorded)
- commercial-grafana-12.4All versions (No fix recorded)
Wolfi3 products
- grafana-12.3All versions (No fix recorded)
- grafana-12.4All versions (No fix recorded)
- grafana-13.0All versions (No fix recorded)
Grafana2 products
- enterprise traces (get)≥ 1.0.0, ≤ 2.8.7
- tempo≥ 1.3.0, ≤ 2.8.3 | ≥ 2.9.0, ≤ 2.9.1 | ≥ 2.10.0, ≤ 2.10.1 | ≥ 1.3.0, < 2.8.4 | ≥ 2.9.0, < 2.9.2 | ≥ 2.10.0, < 2.10.2
Github.com/grafana1 product
- tempo≥ 1.3.0, < 2.8.4 | ≥ 2.9.0, < 2.9.2 | ≥ 2.10.0, < 2.10.2 | ≥ 1.3.0 (No fix recorded)
4 vendors · 34 products
References
18 linksShow all 18 references
- github.com/grafana/tempoPACKAGE