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CVE-2026-21721— Dashboard Permissions Scope Bypass Enables Cross‑Dashboard Privilege Escalation

Quick assessment

Affected
Grafana grafana/grafana
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Grafana是Grafana开源的一套提供可视化监控界面的开源监控工具。该工具主要用于监控和分析Graphite、InfluxDB和Prometheus等。 Grafana存在安全漏洞，该漏洞源于仪表板权限API未验证目标仪表板范围，可能导致组织内部的权限提升。

CVSS 8.1 · High EPSS 0.73% · P53

Possible ATT&CK Techniques 1 AI

T1548.002 · Bypass User Account Control

Affected Version Matrix 10

VendorProduct Version RangeStatus
Grafana grafana/grafana 12.3.0< 12.3.1 affected
12.2.0< 12.2.3 affected
12.1.0< 12.1.5 affected
12.0.0< 12.0.8 affected
10.2.0< 11.6.9 affected
Grafana grafana/grafana-enterprise 10.2.0< 11.6.9 affected
12.0.0< 12.0.8 affected
12.1.0< 12.1.5 affected
12.2.0< 12.2.3 affected
12.3.0< 12.3.1 affected
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I. Basic Information for CVE-2026-21721

Vulnerability Information
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Vulnerability Title
Dashboard Permissions Scope Bypass Enables Cross‑Dashboard Privilege Escalation
Source: CVE Program / CVE List V5
Vulnerability Description
The dashboard permissions API does not verify the target dashboard scope and only checks the dashboards.permissions:* action. As a result, a user who has permission management rights on one dashboard can read and modify permissions on other dashboards. This is an organization‑internal privilege escalation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Grafana 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Grafana是Grafana开源的一套提供可视化监控界面的开源监控工具。该工具主要用于监控和分析Graphite、InfluxDB和Prometheus等。 Grafana存在安全漏洞，该漏洞源于仪表板权限API未验证目标仪表板范围，可能导致组织内部的权限提升。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Grafana grafana/grafana 12.3.0 ~ 12.3.1 -
Grafana grafana/grafana 12.2.0 ~ 12.2.3 -
Grafana grafana/grafana 12.1.0 ~ 12.1.5 -
Grafana grafana/grafana 12.0.0 ~ 12.0.8 -
Grafana grafana/grafana 10.2.0 ~ 11.6.9 -
Grafana grafana/grafana-enterprise 10.2.0 ~ 11.6.9 -
Grafana grafana/grafana-enterprise 12.0.0 ~ 12.0.8 -
Grafana grafana/grafana-enterprise 12.1.0 ~ 12.1.5 -
Grafana grafana/grafana-enterprise 12.2.0 ~ 12.2.3 -
Grafana grafana/grafana-enterprise 12.3.0 ~ 12.3.1 -

II. Public POCs for CVE-2026-21721

# POC Description Source Link Shenlong Link
1 Эксплоит на CVE-2026-21721 https://github.com/Leonideath/Exploit-LPE-CVE-2026-21721 POC Details
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III. Intelligence Information for CVE-2026-21721

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IV. Related Vulnerabilities

Same product: grafana/grafana
Same vendor: Grafana

V. Comments for CVE-2026-21721

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