CVE-2026-11839 json
Arbitrary File Upload in Basarsoft's Rotaban
published 2026-06-11 4 mo ago modified 2026-10-26 14 d ago also EUVD-2026-36249
- cvss
- 9.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 27%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Başarsoft Information Technologies Inc. Rotaban V2026.06.003
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 4 mo ago
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected products
- Başarsoft Information Technologies Inc. Rotaban
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
siberguvenlik.gov.tr
/guvenlik-bildirimleri/detay/tr-26-0367
government-resource
Sources
- CVE List CVE-2026-11839
- NVD CVE-2026-11839
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.