CVE-2026-28376

Description

The Grafana Live push endpoint can be exploited to cause unbounded memory allocation by sending a large or streaming request body, potentially leading to out-of-memory conditions. An authenticated user with access to the Grafana Live API can trigger this issue.

CVSS v3.1 Score

6.5

MEDIUM

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

EPSS — Exploit Prediction

0.0002

Probability of exploitation

0.04%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor	Product	Versions
grafana	grafana	8.0.0 — 11.6.14
grafana	grafana	12.0.0 — 12.2.8
grafana	grafana	12.3.0 — 12.3.6
grafana	grafana	12.4.0 — 12.4.3
grafana	grafana	All
grafana	grafana	All
grafana	grafana	All
grafana	grafana	All
grafana	grafana	All
grafana	grafana	All
grafana	grafana	All
grafana	grafana	All
grafana	grafana	All

References

Advisories & Patches

https://grafana.com/security/security-advisories/cve-2026-28376

Frequently Asked Questions

What is CVE-2026-28376? +

The Grafana Live push endpoint can be exploited to cause unbounded memory allocation by sending a large or streaming request body, potentially leading to out-of-memory conditions. An authenticated user with access to the Grafana Live API can trigger this issue. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-28376? +

CVE-2026-28376 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0002, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-28376? +

CVE-2026-28376 affects products from grafana, specifically: grafana. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-28376? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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