High severity · published Aug 17, 2026
CVE-2026-16137
Path traversal via unsanitized upload filename leads to arbitrary file write in Progress ShareFile Storage Zones Controller
7.2
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
ShareFile Storage Zones Controller · Progress
through 5.12.5 · source: vendor, NVD
Affected product
SS
ShareFile Storage Zones Controller
Progress
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-16137
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-16137
Vendor Advisory
https://support.sharefile.com/s/article/ShareFile-Storage-Zone-Controller-SZC-Service-Disruption-Guidance-Login-Issues-and-Access-Information
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