CVE-2026-16138 Remote code execution via unsafe deserialization in Progress ShareFile Storage Zones Controller's CICO service
An attacker with write access to a network share can execute arbitrary code on the Progress ShareFile Storage Zones Controller host via unsafe deserialization.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16138?
CVE-2026-16138 is a high-severity unsafe deserialization vulnerability in Progress ShareFile Storage Zones Controller, published on 17 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Progress ShareFile Storage Zones Controller v5.12.5 and below versions, unsafe deserialization of untrusted file metadata can allow a user with write access to a Network share to execute arbitrary code on the Storage Zones Controller host.
Weakness: CWE-502
Which versions are affected by CVE-2026-16138?
It affects 1 product.
Products include Progress Sharefile Storage Zones Controller.
How do I fix CVE-2026-16138?
No fix has been published for CVE-2026-16138 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-16138 being exploited?
There is no known exploitation of CVE-2026-16138 in the wild and no public exploit code.
Other vulnerabilities in Progress ShareFile Storage Zones Controller
- CVE-2026-2699 EAR vulnerability in Progress ShareFile Storage Zones Controller (SZC)
- CVE-2026-2701 RCE vulnerability in Progress ShareFile Storage Zones Controller (SZC)
- CVE-2026-15724 Path traversal in Progress ShareFile Storage Zones Controller (SZC)
- CVE-2026-16137 Path traversal in ShareFile Storage Zones Controller
- CVE-2026-16139 Path traversal in ShareFile Storage Zones Controller
Sources
Also known as GHSA-26xg-7mw9-cm54.