CVE-2026-11839
Critical
Description
Unrestricted upload of file with dangerous type vulnerability in Başarsoft Information Technologies Inc. Rotaban allows Upload a Web Shell to a Web Server. This issue affects Rotaban: from V2026.06.002 before V2026.06.003.
SeverityCritical
CVSS9.9
Exploit probability—
ProductRotaban
PublishedJun 11, 2026
First seenJun 11, 2026
Weakness typeCWE-434Unrestricted upload of dangerous file type
How to fix
Update
- Başarsoft Information Technologies Inc. RotabanV2026.06.003 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Başarsoft Information Technologies Inc. Rotaban | V2026.06.002 ≤ v < V2026.06.003 | V2026.06.003 |
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