CVE-2026-105134

CriticalActively exploited (CISA KEV)

Description

A flaw has been found in Ahsay AhsayCBS up to 9.15.2.69/10.3.4.44. This vulnerability affects unknown code of the file /rps/api/json/UpdateReceivers.do of the component Replication Receiver. Executing a manipulation of the argument random can lead to os command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. Upgrading to version 9.15.2.70 and 10.3.4.45 is able to resolve this issue. Upgrading the affected component is advised. The initial patch did not fix the security vulnerability properly. An update of the CVE entry to reflect this became necessary.

SeverityCritical
CVSS10.0
Exploit probability—
ProductAhsayCBS
PublishedOct 4, 2026
First seenOct 4, 2026
Added to KEVOct 14, 2026

How to fix

CISA required action

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.

CISA due date: Oct 17, 2026
Update
  • ahsay cloud_backup_suite9.15.2.70, 10.3.4.45 or later

Affected products

ProductAffected versionsFixed in
ahsay cloud_backup_suitev < 9.15.2.70, 10.1.0 ≤ v < 10.3.4.459.15.2.70, 10.3.4.45

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2026-105134 · AhsayCBS · Dark Radar