CVE-2026-112343 Syncplify Server! < 8.8.0 Permission Override Bypass via Path Casing

High 8.6 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-112343?

CVE-2026-112343 is a high-severity vulnerability in Syncplify, Inc. Syncplify Server!, published on 26 Oct 2026.

Official 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.

Weakness: CWE-41

Which versions are affected by CVE-2026-112343?

How do I fix CVE-2026-112343?

No fix has been published for CVE-2026-112343 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-112343 being exploited?

There is no known exploitation of CVE-2026-112343 in the wild and no public exploit code.

Sources

Also known as GHSA-8xjp-7jq6-2fc2.

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