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CVE-2026-112343

Syncplify Server! < 8.8.0 Permission Override Bypass via Path Casing

HIGH
8.1
CVSS Score
Published: October 26, 2026 at 03:54 PM UTC
Updated: October 29, 2026 at 12:48 PM UTC
1 product affected across 1 vendorSyncplify Server!

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Severity
HIGH8.1
Exploit prediction
EPSS 0.5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Release NotesPatch
Source: cverecord
https://blog.syncplify.com/p/syncplify-server-v880-released
Third Party Advisory
Source: cverecord
https://www.vulncheck.com/advisories/syncplify-server-permission-override-bypass-via-path-casing

CVSS

8.1HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-41

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