Improper Neutralization of Equivalent Special Elements Affecting grafana-mssql package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

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  • Snyk IDSNYK-RHEL8-GRAFANAMSSQL-16098002
  • published17 Apr 2026
  • disclosed15 Apr 2026

Introduced: 15 Apr 2026

NewCVE-2026-21726  (opens in a new tab)
CWE-76  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:8 grafana-mssql.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grafana-mssql package and not the grafana-mssql package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1