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Apexward Pulse

Ahsay AhsayCBS Command Injection Vulnerability

CVE-2026-105134

What this means

This is rated critical severity (10 out of 10). It is on the known-exploited catalogue, which means attacks using it have already been seen. Ask IT whether Ahsay Cloud Backup Suite is in your estate, and treat that as the priority.

Full vendor 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.

Scoring and exploitation

10.0/ 10
CVSS 4.0 base scoreCritical

Exploitable over the network without any account, and no one has to click or open anything. High impact on confidentiality, integrity, availability, subsequent confidentiality, subsequent integrity and subsequent availability.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploitability

Longer bar: easier to attack

Attack vectorNetworkAV:N
Attack complexityLowAC:L
Attack requirementsNoneAT:N
Privileges requiredNonePR:N
User interactionNoneUI:N

Impact

Longer bar: more harm

ConfidentialityHighVC:H
IntegrityHighVI:H
AvailabilityHighVA:H
Subsequent confidentialityHighSC:H
Subsequent integrityHighSI:H
Subsequent availabilityHighSA:H
Elevated attack likelihood (~81.8% in 30 days)Model estimate (): a probability signal, not confirmed exploitation
Exploited in the wild
Yes — confirmed exploitation (US CISA )
Not reported
Listed product
AhsayCBS

Weaknesses

CWE-77CWE-78

Affected products ()

  • Ahsay Cloud Backup Suite
Show the raw CPE strings (1)
  • cpe:2.3:a:ahsay:cloud_backup_suite:*:*:*:*:*:*:*:*

References

7 links from the CVE record, grouped by site; the vendor's advisory comes first.