Ref# ADV2026_191 | Date: Mar 27th 2026

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Grafana published a security advisory highlighting vulnerabilities in the following product on March 26, 2026. It is recommended that you take the necessary precautions by ensuring your product is always updated. 

For more information on these updates, you can follow these URLs: 

• Grafana security release: Critical and high severity security fixes for CVE-2026-27876 and CVE-2026-27880 (en anglais seulement) 

• Grafana Blog (en anglais seulement) 

The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary. 

PDF Download: Grafana Security Advisory

References 

• Grafana Security Advisory (March 26th, 2026). Retrieved from Grafana. https://grafana.com/blog/grafana-security-release-critical-and-high-severity-security-fixes-for-cve-2026-27876-and-cve-2026-27880/ 

• Grafana Security Advisory. (March 26th, 2026). Retrieved from Canadian Centre for Cyber Security. https://cyber.gc.ca/en/alerts-advisories/grafana-security-advisory-av26-285