{"id":"CVE-2021-36156","state":"PUBLISHED","title":"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","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.","publishedAt":"2021-08-03T14:12:11.000Z","updatedAt":"2024-08-04T00:47:43.938Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/grafana/loki/pull/4020#issue-694377133","https://github.com/grafana/loki/releases/tag/v2.3.0"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:44.655Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/36xxx/CVE-2021-36156.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-36156","state":"PUBLISHED","datePublished":"2021-08-03T14:12:11.000Z","dateUpdated":"2024-08-04T00:47:43.938Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2021-07-05T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/grafana/loki/pull/4020#issue-694377133","tags":["x_refsource_MISC"]},{"url":"https://github.com/grafana/loki/releases/tag/v2.3.0","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2021-09-07T19:35:11.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-36156","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://github.com/grafana/loki/pull/4020#issue-694377133","refsource":"MISC","url":"https://github.com/grafana/loki/pull/4020#issue-694377133"},{"name":"https://github.com/grafana/loki/releases/tag/v2.3.0","refsource":"MISC","url":"https://github.com/grafana/loki/releases/tag/v2.3.0"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/grafana/loki/pull/4020#issue-694377133","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/grafana/loki/releases/tag/v2.3.0","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T00:47:43.938Z"}}]}}}