Vulnerability Report

CVE-2026-21721

Title: Dashboard Permissions API Bypass

Auth Bypass

Proof Of Concept

PoC Available for CVE-2026-21721

CWE Category NVD-CWE-noinfo

Published Date Jan 27, 2026

Modified Date Jul 20, 2026

Exploit Status Available

Score 8.1 CVSS v3.1

Exploit Probability (EPSS)

0.65%

Vulnerability Summary

CVE-2026-21721: 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.

Impacted Vendors

Reference Links

https://grafana.com/security/security-advisories/CVE-2026-21721

CVSS v3.1

Source Entity [email protected]

Severity HIGH

8.1

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v3.1

Source Entity 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Severity HIGH

8.1

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-21721 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/Leonideath/Exploit-LPE-CVE-2026-21721

View Code

July 20, 2026 MODIFIED

Vulnerability data updated via NVD.

July 16, 2026 MODIFIED

Vulnerability data updated via NVD.

July 15, 2026 MODIFIED

Vulnerability data updated via NVD.

June 30, 2026 MODIFIED

Vulnerability data updated via NVD.

April 20, 2026 MODIFIED

Vulnerability data updated via NVD.

April 20, 2026 MODIFIED

Vulnerability data updated via NVD.

February 26, 2026 MODIFIED

Vulnerability data updated via NVD.

January 27, 2026 MODIFIED

Vulnerability data updated via NVD.

January 27, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.