SB2026022533 - Authorization bypass in Grafana datasource deletion



SB2026022533 - Authorization bypass in Grafana datasource deletion

Published: February 25, 2026

Security Bulletin ID SB2026022533
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper authorization (CVE-ID: CVE-2026-21725)

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. 


Remediation

Install update from vendor's website.