Improper authorization in Grafana - CVE-2026-21725
Published: February 25, 2026
Vulnerability identifier: #VU123252
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-21725
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Grafana Labs
Affected software:
Grafana
Grafana
Detailed vulnerability description
The vulnerability allows a remote user to bypass certain security restrictions.
The vulnerability exists due to a race condition in the data source deletion process. A remote user without permissions to do so can within a very short timeframe (30 seconds) delete data sources that were restored after previous deletion.
How to mitigate CVE-2026-21725
Install updates from vendor's website.