CVE record · CVE-2026-28375

Grafana Testdata datasource can issue unbounded memory allocations

CVSS 6.5 MediumEPSS 0.0039 · 33rd percentile

Published by the CVE Program (CNA: GRAFANA) at 27 Mar 2026, 14:26 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Grafana	Grafana	affected 8.1.0 to before 11.6.14 semver affected 12.0.0 to before 12.1.10 semver affected 12.2.0 to before 12.2.8 semver affected 12.3.0 to before 12.3.6 semver affected 12.4.0 to before 12.4.2 semver Other versions: unaffected

Identifiers: CVE-2026-28375
CNA: GRAFANA
Weakness (CWE): CWE-400
Tags: Grafana
Denial of service
Published: 27 Mar 2026
Updated: 27 Aug 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.5	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CNA (GRAFANA)

CISA KEV Not listed.
EPSS 0.0039, the 33rd percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 27 Mar 2026. New records show when each source confirmed them.

Sources

References from the CNA

grafana.com/security/security-advisories/cve-2026-28375 vendor-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.