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Vulnerability record · CVE-2026-11839 · published 11 June 2026

CVE-2026-11839: Unrestricted file upload vulnerability

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.

9.9 CVSS 3.1 Critical EPSS 0.34% · top 75.6% CWE-434 · Unrestricted file upload Deferred
9.9CVSS 3.1 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-11839), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.