AhsayCBS Flaws Exploited to Deploy Web Shells Get New Fixes After Incomplete Patches
At a glance
- Severity
- CriticalCVSS 10.0
- Used in attacks
- Yes, 2 of 2 flaws named
- Flaws named
- CVE-2026-105133CVE-2026-105134
- Reported by
- 1 outlet
Singapore-based Ahsay Backup has released security updates to address two security flaws in AhsayCBS that have been exploited by bad actors to drop web shells and XMRig cryptocurrency miners. The vulnerabilities in question are CVE-2026-105133 and CVE-2026-105134, which could be chained to sidestep authentication and execute arbitrary commands on affected systems. In a report published earlier…
We summarise and link; this source is not one we hold a licence to reproduce. Everything below is what CyberBrief adds: the vulnerabilities involved, whether they are being exploited, who is named, and who else covered it.
Vulnerabilities referenced
- CVE-2026-1051337.3High
Ahsay AhsayCBS
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.
Used in attacksAdded to CISA's list 2026-10-14
Full record → - CVE-2026-10513410.0Critical
Ahsay AhsayCBS
Ahsay AhsayCBS contains a command injection vulnerability that could allow a remote attacker to execute operating system commands via manipulation of the random parameter in the Replication Receiver component’s /rps/api/json/UpdateReceivers.do endpoint. This vulnerability can be chained with CVE-2026-105133.
Used in attacksAdded to CISA's list 2026-10-14
Full record →
Fastnexa security experts
This story involves a flaw attackers are already using. Are you exposed?
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Coverage
One outlet has carried this so far.
2026-10-15 06:43 UTC
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