CVE-2026-11839

CRITICAL

Arbitrary File Upload in Basarsoft's Rotaban

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 9.9
EPSS 0.0034
EPSS Percentile 25.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-434
Status published
Products (1)
Başarsoft Information Technologies Inc./Rotaban V2026.06.002 - V2026.06.003
Published Jun 11, 2026
Tracked Since Jun 11, 2026