CVE-2023-4399 Server-side request forgery in Grafana Enterprise

What is CVE-2023-4399?

CVE-2023-4399 is a medium-severity server-side request forgery vulnerability in Grafana Grafana, published on 17 Oct 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Grafana is an open-source platform for monitoring and observability.

In Grafana Enterprise, Request security is a deny list that allows admins to configure Grafana in a way so that the instance doesn’t call specific hosts.

However, the restriction can be bypassed used punycode encoding of the characters in the request address.

Weakness: CWE-183

Which versions are affected by CVE-2023-4399?

1 open source package ship an affected version, including grafana. It affects 1 product.

Products include Grafana Grafana.

How do I fix CVE-2023-4399?

Upgrade grafana to a fixed version for your release line: 9.4.17, 9.5.13, 10.0.9 or 10.1.5.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2023-4399 being exploited?

There is no known exploitation of CVE-2023-4399 in the wild and no public exploit code.

Other vulnerabilities in Grafana Grafana

• CVE-2021-43798 Grafana Path Traversal Exploited High 7.5
• CVE-2025-41115 Incorrect privilege assignment Critical 10.0
• CVE-2022-39328 Grafana vulnerable to race condition allowing privilege escalation Critical 9.8
• CVE-2022-28660 Auth bypass in n/a Critical 9.8
• CVE-2022-26148 Information disclosure in n/a Critical 9.8

All Grafana Grafana vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-grafana-2023-4399, GHSA-6676-9pqr-4cw3.