CVE-2026-28383— Grafana plugin resources can lead to unbounded memory allocation
Possible ATT&CK Techniques 2AI
T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of ServiceAffected Version Matrix 10
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Grafana | Grafana OSS | 6.7.0≤ 11.6.14 | affected |
11.6.14< 11.6.14+security-04 | affected | ||
12.0.0≤ 12.2.8 | affected | ||
12.2.8< 12.2.8+security-04 | affected | ||
12.3.0≤ 12.3.6 | affected | ||
12.3.6< 12.3.6+security-04 | affected | ||
12.4.0≤ 12.4.3 | affected | ||
12.4.3< 12.4.3+security-02 | affected | ||
| … +2 more rows | |||
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I. Basic Information for CVE-2026-28383
Vulnerability Information
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Vulnerability Title
Grafana plugin resources can lead to unbounded memory allocation
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Grafana OSS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Grafana OSS是Grafana开源的一个可视化仪表盘。 Grafana OSS存在安全漏洞，该漏洞源于插件资源端点通过将整个请求体读入内存导致无限制内存分配，可能导致认证用户触发内存不足，造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Grafana | Grafana OSS | 6.7.0 ~ 11.6.14 | - |
II. Public POCs for CVE-2026-28383
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Same Patch Batch · Grafana · 2026-05-13 · 10 CVEs total
| CVE-2026-33376 | 7.4 HIGH | Auth Proxy IPv6 whitelist bypass |
| CVE-2026-33377 | 7.1 HIGH | Dashboard Import Overwrites ACL — Editor Privilege Escalation to Dashboard Admin |
| CVE-2026-28379 | 6.5 MEDIUM | Viewer-triggered race condition in Grafana Live leads to complete server crash |
| CVE-2026-28380 | 6.5 MEDIUM | BAC in Snapshot API allows deletion of unauthorized dashboard snapshots |
| CVE-2026-28376 | 6.5 MEDIUM | Grafana Live push endpoint allows unbounded memory allocation leading to OOM |
| CVE-2026-33378 | 6.5 MEDIUM | Grafana Data Source Plugin: DoS (OOM) via Negative Interval Injection in $__timeGroup Macr |
| CVE-2026-33380 | 6.3 MEDIUM | SQL Expressions Read File From Disk |
| CVE-2026-33381 | 5.9 MEDIUM | Users can generate Service Account tokens after permissions removal |
| CVE-2026-28374 | 4.3 MEDIUM | IDOR in Annotations API allows unprivileged users to DELETE annotation |
IV. Related Vulnerabilities
Same product: Grafana OSS
- CVE-2026-28374
IDOR in Annotations API allows unprivileged users to DELETE - CVE-2026-33378
Grafana Data Source Plugin: DoS (OOM) via Negative Interval - CVE-2026-33376
Auth Proxy IPv6 whitelist bypass - CVE-2026-33380
SQL Expressions Read File From Disk - CVE-2026-33381
Users can generate Service Account tokens after permissions
Same vendor: Grafana
- CVE-2026-28374
IDOR in Annotations API allows unprivileged users to DELETE - CVE-2026-33378
Grafana Data Source Plugin: DoS (OOM) via Negative Interval - CVE-2026-33376
Auth Proxy IPv6 whitelist bypass - CVE-2026-33380
SQL Expressions Read File From Disk - CVE-2026-33381
Users can generate Service Account tokens after permissions
V. Comments for CVE-2026-28383
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