How severe is CVE-2026-28375?

CVE-2026-28375 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-28375 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28375?

CVE-2026-28375 affects Grafana. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28375?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-28375 have an EU (EUVD) identifier?

Yes. CVE-2026-28375 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16638.

When was CVE-2026-28375 published?

CVE-2026-28375 was published on 2026-03-27 and last updated on 2026-06-17.

CVE-2026-28375

CVE-2026-28375 is a medium-severity vulnerability in Grafana with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16638
Weakness: CWE-400
Affected product: Grafana
Published: 2026-03-27
Last modified: 2026-06-17

Description

A testdata data-source can be used to trigger out-of-memory crashes in Grafana.

Frequently asked questions

What is CVE-2026-28375?: A testdata data-source can be used to trigger out-of-memory crashes in Grafana.
How severe is CVE-2026-28375?: CVE-2026-28375 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-28375 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28375?: CVE-2026-28375 affects Grafana. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28375?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28375 have an EU (EUVD) identifier?: Yes. CVE-2026-28375 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16638.
When was CVE-2026-28375 published?: CVE-2026-28375 was published on 2026-03-27 and last updated on 2026-06-17.

References

https://grafana.com/security/security-advisories/cve-2026-28375

Affected products (1)

cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*

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