Medium severity · published Oct 12, 2026
CVE-2026-93694
Untrusted request routing and forged acknowledgements permit copy-workflow manipulation in Progress ShareFile Storage Zones Controller
4.0
CVSS
0.1%
EPSS
No
On KEV
Description
In Progress ShareFile Storage Zones Controller v5.12.6 and below, processing of queue items can send acknowledgements to an unvalidated callback URL, this behavior together with a race condition allows the attacker to cause FileCopyService to consume attacker-controlled metadata and content. Exploitation requires control over copy queue work and a race condition.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
Attack vector
Local
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% 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 5.12.6 · source: vendor
Affected product
SS
ShareFile Storage Zones Controller
Progress
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-93694
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-93694
vendor-advisory
https://docs.sharefile.com/en-us/sharefile/storage-zones-controller/5-0/security-vulnerability-sep26
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