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CVE-2026-28383

MEDIUMCVSS 6.5/10EPSS 0.33%

Last modified

CVE-2026-28383 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.33%

24.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GrafanaGrafana>= 8.5.0, < 11.6.14
GrafanaGrafana>= 12.2.0, < 12.2.8
GrafanaGrafana>= 12.3.0, < 12.3.6
GrafanaGrafana>= 12.4.0, < 12.4.3
GrafanaGrafana11.6.14
GrafanaGrafana12.2.8
GrafanaGrafana12.3.6
GrafanaGrafana12.4.3
GrafanaGrafana13.0.0
GrafanaGrafana13.0.1

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-28383?
A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service.
How severe is CVE-2026-28383?
CVE-2026-28383 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.
How do I fix CVE-2026-28383?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-28383?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST