Description

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.

INFO

Published Date :

2026-04-15T19:24:31.268Z

Last Modified :

2026-04-15T20:01:33.375Z

Source :

GRAFANA
AFFECTED PRODUCTS

The following products are affected by CVE-2026-21726 vulnerability.

Vendors Products
Grafana
  • Loki
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-21726.

URL Resource
https://grafana.com/security/security-advisories/cve-2026-21726 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-21726 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-21726 cve-icon
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CVSS Vulnerability Scoring System

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