CVE-2026-56858 Affecting prometheus-operator package, versions <0.93.1-r1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.26% (19th percentile)

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  • Snyk IDSNYK-WOLFILATEST-PROMETHEUSOPERATOR-18829267
  • published15 Aug 2026
  • disclosed13 Aug 2026

Introduced: 13 Aug 2026

NewCVE-2026-56858  (opens in a new tab)

How to fix?

Upgrade Wolfi prometheus-operator to version 0.93.1-r1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream prometheus-operator package and not the prometheus-operator package as distributed by Wolfi. See How to fix? for Wolfi 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