CVE-2026-105133
Ahsay AhsayCBS Improper Authentication Vulnerability
What is it?
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…
Official description from NVD.
What happened
Researchers disclosed attacks exploiting two patched vulnerabilities in AhsayCBS backup software to deliver a Python-based backdoor. The chain of CVE-2026-105133 and CVE-2026-105134 bypasses authentication and executes arbitrary commands on affected systems. Attackers actively exploited the flaws in October 2026 before patches became available. Organizations should apply patches immediately.
From the Intel60 brief of Nov 10, 2026. AI-written summary: check the sources before acting.
Intel60 briefs
- CriticalAttackers exploit AhsayCBS flaws to deploy Python backdoorNov 10, 2026