CVE-2026-33382

HIGHCVSS 7.5/10EPSS 0.38%

Last modified

CVE-2026-33382 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Several Grafana API endpoints, some of them unauthenticated, do not limit the size of the request body before processing it. An attacker can send very large payloads that force excessive memory allocation, potentially exhausting memory and causing a denial of service.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

Several Grafana API endpoints, some of them unauthenticated, do not limit the size of the request body before processing it. An attacker can send very large payloads that force excessive memory allocation, potentially exhausting memory and causing a denial of service.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.38%

30.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GrafanaGrafana>= 11.6.0, < 11.6.15
GrafanaGrafana>= 12.2.0, < 12.2.9
GrafanaGrafana>= 12.3.0, < 12.3.7
GrafanaGrafana>= 12.4.0, < 12.4.4
GrafanaGrafana>= 13.0.0, < 13.0.2

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-33382?
Several Grafana API endpoints, some of them unauthenticated, do not limit the size of the request body before processing it. An attacker can send very large payloads that force excessive memory allocation, potentially exhausting memory and causing a denial of service.
How severe is CVE-2026-33382?
CVE-2026-33382 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.
How do I fix CVE-2026-33382?
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.

How Strix Helps

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Source: NVD / NIST