CVE-2026-2699
CriticalExploitedPublic exploitCustomer Managed ShareFile Storage Zones Controller (SZC) allows an unauthenticated attacker to access restricted configuration pages.
Published Apr 9, 2026 · Updated Apr 8, 2026 · Also known as TR-26-0091
Key Facts
Patch immediately- CVE-2026-2699 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting ShareFile Storage Zones Controller (Progress).
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Jul 10, 2026. Public exploit code is available.
- EPSS estimates a 3.2% probability of exploitation in the next 30 days.
- Fixed versions are available, including ShareFile Storage Zones Controller 5.12.4.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
3.2%
Higher than 87.8% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2026-2699 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Customer Managed ShareFile Storage Zones Controller (SZC) allows an unauthenticated attacker to access restricted configuration pages. This leads to changing system configuration and potential remote code execution.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jul 10, 2026 | n/a | Not reported |
| CIRCL KEV | Jul 10, 2026 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ShareFile Storage Zones ControllerProgress | See advisory | 5.12.4 |
Patched Releases
ShareFile Storage Zones Controller
5.12.4
Timeline
Last updated
Apr 8, 2026
Publicly disclosed
Apr 9, 2026
Added to Industry KEV feed
Jul 10, 2026
Added to CIRCL KEV
Jul 10, 2026
Weakness Type
- CWE-284 Improper Access Control
- CWE-698 Execution After Redirect (EAR)
References
- advisoryhttps://docs.sharefile.com/en-us/storage-zones-controller/5-0/security-vulnerability-feb26
- advisoryUSOM advisory
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Customer Managed ShareFile Storage Zones Controller (SZC) allows an unauthenticated attacker to access restricted configuration pages.
Affected: ShareFile Storage Zones Controller (Progress). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Jul 10, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including ShareFile Storage Zones Controller 5.12.4.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2026-2699 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo