Grafana OSS up to 13.0.1+security-00 Grafana Plugin Resources Endpoint denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Grafana OSS. The impacted element is an unknown function of the component Grafana Plugin Resources Endpoint. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2026-28383. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Grafana OSS and classified as critical. Affected by this issue is some unknown functionality of the component Grafana Plugin Resources Endpoint. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

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.

The advisory is available at grafana.com. This vulnerability is handled as CVE-2026-28383 since 02/27/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 316448 (Linux Distros Unpatched Vulnerability : CVE-2026-28383), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 11.6.14+security-04, 12.2.8+security-04, 12.3.6+security-04, 12.4.3+security-02 or 13.0.1+security-01 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (316448) and CERT Bund (WID-SEC-2026-1546). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Grafana Grafana

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (GRAFANA): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 316448
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-28383

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OSS 11.6.14+security-04/12.2.8+security-04/12.3.6+security-04/12.4.3+security-02/13.0.1+security-01

Timelineinfo

02/27/2026 CVE reserved
05/14/2026 +75 days Advisory disclosed
05/14/2026 +0 days VulDB entry created
05/23/2026 +9 days VulDB entry last update

Sourcesinfo

Advisory: grafana.com
Status: Confirmed

CVE: CVE-2026-28383 (🔒)
GCVE (CVE): GCVE-0-2026-28383
GCVE (VulDB): GCVE-100-363722
CERT Bund: WID-SEC-2026-1546 - Grafana: Mehrere Schwachstellen

Entryinfo

Created: 05/14/2026 05:29
Updated: 05/23/2026 18:20
Changes: 05/14/2026 05:29 (64), 05/16/2026 02:47 (7), 05/23/2026 18:20 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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