Is CVE-2026-112343 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-112343?

CVE-2026-112343 has a CVSS v3 severity of HIGH (8.1).

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CVE-2026-112343

Description

Syncplify Server! before 8.8.0 contains an access control bypass vulnerability that allows authenticated SFTP users to evade per-path permission overrides by exploiting case-insensitive filesystem path resolution and 8.3 short names. Attackers can address a protected directory using alternate capitalization or its 8.3 short name to perform file uploads and downloads that the configured override is intended to deny, resulting in unauthorized file access.