CVE-2026-16137 PUBLISHED

Path traversal via unsanitized upload filename leads to arbitrary file write in Progress ShareFile Storage Zones Controller

Assigner: ProgressSoftware
Reserved: 17.07.2026 Published: 17.08.2026 Updated: 18.08.2026

In Progress ShareFile Storage Zones Controller v5.12.5 and below, a party with valid zone credentials can perform path traversal using resumable upload initiation endpoint, allowing the party to write arbitrary content to any location writable by the application's service account. This may result in the execution of attacker-supplied code.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 7.2

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Progress
Product	ShareFile Storage Zones Controller
Versions	Default: unaffected affected from 0 to 5.12.5 (incl.)

Solutions

Upgrade to ShareFile Storage Zones Controller v5.12.6 or later.

Credits

Piotr Bazydlo (@chudyPB) of watchTowr finder

References

https://support.sharefile.com/s/article/ShareFile-Storage-Zone-Controller-SZC-Service-Disruption-Guidance-Login-Issues-and-Access-Information

Problem Types

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE
CWE-73: External Control of File Name or Path CWE
CWE-434: Unrestricted Upload of File with Dangerous Type CWE

Impacts

Upload of malicious file using path traversal leading to remote code execution.