Description
A vulnerability was detected in Ahsay AhsayCBS up to 9.15.2.69/10.3.4.44. This affects the function checkSysPwd of the file com/ahsay/obs/api/ApiStructsAction.java of the component API. Performing a manipulation of the argument random results in improper authentication. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 9.15.2.70 and 10.3.4.45 is able to mitigate this issue. It is recommended to upgrade the affected component. The initial patch did not fix the security vulnerability properly. An update of the CVE entry to reflect this became necessary.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Ahsay | AhsayCBS | 9.15.2.0, 9.15.2.1, 9.15.2.2, 9.15.2.3, 9.15.2.4, 9.15.2.5, 9.15.2.6, 9.15.2.7, 9.15.2.8, 9.15.2.9, 9.15.2.10, 9.15.2.11, 9.15.2.12, 9.15.2.13, 9.15.2.14, 9.15.2.15, 9.15.2.16, 9.15.2.17, 9.15.2.18, 9.15.2.19, 9.15.2.20, 9.15.2.21, 9.15.2.22, 9.15.2.23, 9.15.2.24, 9.15.2.25, 9.15.2.26, 9.15.2.27, 9… | 9.15.2.70 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
horizon3ai/AhsayCBS-Auth-Bypass-RCE ★ 7 · Oct 14, 2026
A proof of concept exploit for CVE-2026-105133 and CVE-2026-105134 affecting AhsayCBS
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- AhsayCBS - JSON API Authentication Bypass http/cves/2026/CVE-2026-105133.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
Advisories 1
- NCSC-2026-0427 Kwetsbaarheden verholpen in Ahsay AhsayCBS NCSC-NL (Netherlands) · Oct 14, 2026
References
- VDB-413350 | Ahsay AhsayCBS API ApiStructsAction.java checkSysPwd improper authentication vdb-entry technical-description
- VDB-413350 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-105133 | CVE Analysis and Report third-party-advisory
- Submit #942688 | Ahsay Systems Corporation Limited AhsayCBS 10.0.3 Authentication Bypass third-party-advisory
- https://www.ahsay.com/en/company/announcements/patch-cve-105133-105134-update patch
- https://www.huntress.com/blog/ahsaycbs-flaws-exploit broken-link exploit