CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.3. See the original NVD description below for full technical details.
CVE
CVE-2026-21726
Severity
MEDIUM
CVSS
5.3
EPSS
0.41%
Original NVD 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.
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