Cross-site Scripting (XSS) Affecting grafana-selinux package, versions <0:10.2.6-28.el10_2.5


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.31% (24th percentile)

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  • Snyk IDSNYK-RHEL10-GRAFANASELINUX-19523561
  • published4 Sept 2026
  • disclosed13 Aug 2026

Introduced: 13 Aug 2026

CVE-2026-56858  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade RHEL:10 grafana-selinux to version 0:10.2.6-28.el10_2.5 or higher.
This issue was patched in RHSA-2026:63022.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grafana-selinux package and not the grafana-selinux package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.

CVSS Base Scores

version 3.1