CVE-2026-105133
Ahsay AhsayCBS Improper Authentication Vulnerability
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-10-14. Federal due date: 2026-10-17.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Impact
Ahsay AhsayCBS contains an improper authentication vulnerability that could allow a remote attacker to bypass authentication via manipulation of the random parameter in the API component’s checkSysPwd function. This vulnerability can be chained with CVE-2026-105134.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Ahsay | Cloud Backup Suite | before 9.15.2.70 from 10.1.0 before 10.3.4.45 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- https://vuldb.com/cve/CVE-2026-105133
- https://vuldb.com/submit/942688
- https://vuldb.com/vuln/413350
- https://vuldb.com/vuln/413350/cti
- https://www.ahsay.com/en/company/announcements/patch-cve-105133-105134-update
- https://www.huntress.com/blog/ahsaycbs-flaws-exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-105133