CVE-2026-11839

Arbitrary File Upload in Basarsoft's Rotaban

Published Jun 11, 2026 CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Basarsoft
Basarsoft rotaban
Vendors & Products Basarsoft
Basarsoft rotaban
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Arbitrary File Upload in Basarsoft's Rotaban
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TR-CERT
Published
Updated
Jun 17, 2026, 10:56 AM
Reserved
Jun 10, 2026, 6:25 AM
Status
Deferred
Published
Jun 11, 2026, 4:16 PM
Modified
Oct 26, 2026, 11:10 AM