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4 vulnerabilities found for loki by grafana
CVE-2026-21726 (GCVE-0-2026-21726)
Vulnerability from nvd – Published: 2026-04-15 19:24 – Updated: 2026-04-24 08:00
VLAI?
Title
Loki Path Traversal - CVE-2021-36156 Bypass
Summary
The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/{namespace}
Thanks to Prasanth Sundararajan for reporting this vulnerability.
Severity ?
5.3 (Medium)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Date Public ?
2026-04-15 19:20
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CVE-2021-36156 (GCVE-0-2021-36156)
Vulnerability from nvd – Published: 2021-08-03 14:12 – Updated: 2024-08-04 00:47
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2026-21726 (GCVE-0-2026-21726)
Vulnerability from cvelistv5 – Published: 2026-04-15 19:24 – Updated: 2026-04-24 08:00
VLAI?
Title
Loki Path Traversal - CVE-2021-36156 Bypass
Summary
The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/{namespace}
Thanks to Prasanth Sundararajan for reporting this vulnerability.
Severity ?
5.3 (Medium)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Date Public ?
2026-04-15 19:20
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CVE-2021-36156 (GCVE-0-2021-36156)
Vulnerability from cvelistv5 – Published: 2021-08-03 14:12 – Updated: 2024-08-04 00:47
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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