CVE-2026-11839: Başarsoft Information Technologies Rotaban · Unrestricted File Upload
Affects Başarsoft Information Technologies RotabanSource CVE Database V5
Not known to be exploited · CVSS 9.9 Critical : upgrade to V2026.06.003 as a priority.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 26% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in V2026.06.003
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 11 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade Başarsoft Information Technologies Rotaban to V2026.06.003.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Başarsoft Information Technologies Inc.Rotaban | Affected
| Fixed in
|
AI-suggested
Upgrade the affected product from version V2026.06.002 to V2026.06.003 or later, where this vulnerability is fixed. Until the upgrade is applied, restrict file upload permissions and monitor for suspicious file uploads if possible.
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.