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.
{ "nvd_published_at": "2021-08-03T15:15:00Z", "github_reviewed_at": "2021-08-04T18:52:20Z", "severity": "MODERATE", "github_reviewed": true, "cwe_ids": [ "CWE-22" ] }