CVEvulnerability
CVE-2021-36156
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-08-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-22
Description
An issue was discovered in Grafana Loki through 2.2.1. The header value X-Scope-OrgID is used to construct file paths for rules files, and if crafted to conduct directory traversal such as ae ../../sensitive/path/in/deployment pathname, then Loki will attempt to parse a rules file at that location and include some of the contents in the error message.
Affected configurations
• grafana loki (<= 2.2.1)
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://github.com/grafana/loki/pull/4020#issue-694377133 Issue Tracking, Third Party Advisory
- https://github.com/grafana/loki/releases/tag/v2.3.0 Patch, Third Party Advisory
- https://github.com/grafana/loki/pull/4020#issue-694377133 Issue Tracking, Third Party Advisory
- https://github.com/grafana/loki/releases/tag/v2.3.0 Patch, Third Party Advisory