CVE-2026-21727
3.3 · LOWOverview
CVE-2026-21727 is a low-severity vulnerability affecting grafana grafana. It was published on April 15, 2026 and has a CVSS 3.1 base score of 3.3 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A cross-tenant isolation vulnerability was found in Grafana’s Correlations feature affecting legacy correlation records. Due to a backward compatibility condition allowing org_id = 0 records to be returned across organizations, a user with datasource management privileges could read and permanently delete legacy correlation data belonging to another organization. This issue affects correlations created prior to Grafana 10.2 and is fixed in >=11.6.11, >=12.0.9, >=12.1.6, and >=12.2.4.
Thanks to Gyu-hyeok Lee (g2h) for reporting this vulnerability.
Remediation
Check the references section for vendor advisories and patches from grafana. Update grafana to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| grafana | grafana | >= 0, < 11.6.11 | Affected |
Frequently Asked Questions
What is CVE-2026-21727?
CVE-2026-21727 is a low-severity vulnerability affecting grafana grafana. It was published on April 15, 2026 and has a CVSS 3.1 base score of 3.3 (LOW).
How severe is CVE-2026-21727?
This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-21727?
Check the references section for vendor advisories and patches from grafana. Update grafana to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-21727?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-21727 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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