Is CVE-2026-106603 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-106603?

CVE-2026-106603 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-106603

Description

Authorization Bypass Through User-Controlled Key vulnerability in Groundhogg HollerBox holler-box allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects HollerBox: from n/a through 2.3.14.