Grafana up to 8.0.6/8.1.7/8.2.6/8.3.0 /public/plugins/ path traversal

Summaryinfo

A vulnerability identified as critical has been detected in Grafana up to 8.0.6/8.1.7/8.2.6/8.3.0. Affected by this vulnerability is an unknown functionality of the file /public/plugins/. This manipulation causes path traversal. This vulnerability appears as CVE-2021-43798. The attack may be initiated remotely. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Grafana up to 8.0.6/8.1.7/8.2.6/8.3.0. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the file /public/plugins/. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality.

The weakness was presented 12/08/2021 as GHSA-8pjx-jj86-j47p. The advisory is shared at github.com. This vulnerability is known as CVE-2021-43798 since 11/16/2021. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 10/09/2025 with a due date of 10/30/2025:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Upgrading to version 8.0.7, 8.1.8, 8.2.7 or 8.3.1 eliminates this vulnerability. Applying the patch c798c0e958d15d9cc7f27c72113d572fa58545ce is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Exploit-DB (50581). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• Grafana

Version

• 8.0
• 8.0.0
• 8.0.1
• 8.0.2
• 8.0.3
• 8.0.4
• 8.0.5
• 8.0.6
• 8.1
• 8.1.0
• 8.1.1
• 8.1.2
• 8.1.3
• 8.1.4
• 8.1.5
• 8.1.6
• 8.1.7
• 8.2
• 8.2.0
• 8.2.1
• 8.2.2
• 8.2.3
• 8.2.4
• 8.2.5
• 8.2.6
• 8.3.0

License

• open-source

Website

• Product: https://github.com/grafana/grafana/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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