CVE-2026-27878: grafana enterprise traces (get) Uncontrolled Resource Consumption
CVSS: 6.5v3.1MediumAnalyzed
AliasesCGA-5v6c-37cc-3363CGA-qc63-m72w-6v55CGA-v6c6-w6wh-94g2CGA-vqm6-922j-7chvCGA-vxrx-pfv5-2gwxCGA-w9f7-hw2r-c77fGHSA-6xff-cpcq-vpw2GO-2026-6325CGA-2667-263j-3rq6CGA-288f-9f45-c733CGA-4j38-v94f-rpphCGA-59h2-h72p-gwqgCGA-79qp-22mf-qxchCGA-7m2p-xrv5-2xphCGA-7vpx-hf3c-5r62CGA-94rc-4mh5-jjqfCGA-9p6q-grv9-77h4CGA-f4jh-cqfm-455rCGA-f5gq-9cjj-rcw5CGA-f83c-r9p9-rmm9CGA-fhhj-w3fm-fc3gCGA-g7g9-p4c3-28w3CGA-h337-rh5m-qhf7CGA-hqxj-993p-72h8CGA-j8g9-r32j-jx8rCGA-jvw7-vwr4-r84hCGA-m3wr-rmpj-q9vqCGA-mxvc-jxqx-5q5rCGA-p6gr-j65w-h9q2CGA-p6q7-h95g-2xppCGA-pc88-gq37-58jmCGA-pr7w-pw4g-2hwvCGA-q77r-rrf5-ff6qCGA-r83r-7rhm-c32mCGA-rhjx-8hhw-rxmrCGA-vqvf-2rfm-qw8qCGA-vv59-269g-6hx8CGA-w25w-wvhg-cxxm
Published 19-06-2026Last modified 27-08-2026
Vulnerability summary
CVE-2026-27878 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in grafana enterprise traces (get). EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.9% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.41%
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 3 · Related 4Timeline
- 19-06-2026PublishedVulnerability first disclosed.
- 27-08-2026Last modifiedVulnerability information updated.
Description
A TraceQL query in Grafana Tempo with a large exemplars hint value can cause the Tempo instance to allocate an excessive amount of memory, resulting in an out-of-memory crash. This could allow an authenticated user to trigger a denial of service against the Tempo service.
CVSS metrics
5 scores · 5 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 5 agree
- OSV · WolfiEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · GoEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
0.00 pp
From 0.41% on 20-09-2026
20-09-202620-10-2026
EPSS score0.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard18 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-12.4< 12.4.10-r0
Wolfi3 products
- grafana-12.3All versions (No fix recorded)
- grafana-12.4< 12.4.9-r4
- grafana-13.0< 13.0.8-r4
Grafana2 products
- enterprise traces (get)≥ 2.6.1, < 2.8.8
- tempo≥ 2.6.0, < 2.10.2 | ≥ 2.6.0, < 2.8.4 | ≥ 2.9.0, < 2.9.2 | ≥ 2.10.0, < 2.10.2
Github.com/grafana1 product
- tempo< 1.5.1-0.20260303204923-b13f74291d48
4 vendors · 24 products
References
16 links
Show all 16 references
- github.com/grafana/tempoPACKAGE