HIGH

CVE-2026-21721

CVSS v3

8.1

HIGH

EPSS Score

0.0%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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.

Technical details

CVSS v3 Vector
3.1
Published
1/27/2026
Last Modified
4/20/2026

Frequently asked questions

What is 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.

Is CVE-2026-21721 actively exploited?

Active exploitation of CVE-2026-21721 has not been confirmed. The EPSS score is 0.0%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-21721?

CVE-2026-21721 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string 3.1.

Is CVE-2026-21721 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.