CVE-2023-4399
Grafana is an open-source platform for monitoring and observability. In Grafana Enterprise,...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
6.6
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.
- Record
CVE-2023-4399- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:L - Weakness
- CWE-183
- Updated
- 2026-11-02
EUVDEUVD-2023-54262
6.6
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.
- Record
EUVD-2023-54262- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6676-9pqr-4cw3
6.6
Grafana is an open-source platform for monitoring and observability. In Grafana Enterprise,...
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.
- Record
GHSA-6676-9pqr-4cw3- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:L - Weakness
- CWE-183
- Updated
- 2026-11-02
NVD
6.6
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.
- Record
CVE-2023-4399- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:L - CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-183
- Updated
- 2026-11-02
OSV
6.6
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.
- Record
CVE-2023-4399- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:L - Weakness
- CWE-183
- Updated
- 2026-11-02
OSVBIT-grafana-2023-4399 No score
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.
- Record
BIT-grafana-2023-4399- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
grafanaBitnami |
9.4.0 up to 9.4.17, 9.5.0 up to 9.5.13, 10.0.0 up to 10.0.9, 10.1.0 up to 10.1.5 | 9.4.179.5.1310.0.910.1.5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-4399 is a medium vulnerability (CVSS 6.6) in Grafana, published October 17, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.31%, the 70th percentile. Fixed in grafana 9.4.17.