Arbitrary File Upload in Basarsoft's Rotaban
Priority MEDIUM 43CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00335 27th percentileScored 2026-11-07
Fix Fixed Rotaban (Başarsoft Information Technologies Inc.): V2026.06.003
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Başarsoft Information Technologies Inc. | Rotaban | V2026.06.002 to before V2026.06.003 | V2026.06.003 | Patch available | CNA |
- Rotaban VendorBaşarsoft Information Technologies Inc. Affected V2026.06.002 to before V2026.06.003 Fixed in V2026.06.003 Patch available CNA
Remediation
- Fix · CNA Rotaban (Başarsoft Information Technologies Inc.) Fixed in V2026.06.003
Timeline
- 2026-10-02 Threatist record created from CVE-2026-11839
- 2026-10-03 Alias added: GHSA-4r5w-3xv4-56jm
References
Sources
- CVE-2026-11839 · CVE Program
- CVE-2026-11839 · NVD
- FIRST EPSS
- GHSA-4r5w-3xv4-56jm · GitHub Advisory Database · CC BY 4.0
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