CVE-2026-11839

Severity CVSS v4.0:

Pending analysis

Type:

CWE-434 Unrestricted Upload of File with Dangerous Type

Publication date:

11/06/2026

Last modified:

11/06/2026

Description

Unrestricted upload of file with dangerous type vulnerability in Başarsoft Information Technologies Inc. Rotaban allows Upload a Web Shell to a Web Server.<br /> <br /> This issue affects Rotaban: from V2026.06.002 before V2026.06.003.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.90 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.90

Severity 3.x

CRITICAL

References to Advisories, Solutions, and Tools

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0367