CLEANSTART-2026-JO14647

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Import Source
https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-JO14647.json
JSON Data
https://api.osv.dev/v1/vulns/CLEANSTART-2026-JO14647
Upstream
Published
2026-10-20T00:39:03Z
Modified
2026-10-21T01:15:19Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
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/ru...
Details

Security vulnerability affects the grafana-alloy package. 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.

References

Affected packages

CleanStart / grafana-alloy

Package

Name
grafana-alloy
Purl
pkg:apk/cleanstart/grafana-alloy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.20.1-r2

Database specific

source
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-JO14647.json"