Ahsay AhsayCBS Replication Receiver UpdateReceivers.do os command injection
Affects AhsayCBS versions up through 10.3.4 through the Replication Receiver UpdateReceivers.do page. The fix is the 10.3.4.45 hotfix. No vendor severity rating is given.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in 10.3.4.45
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: active
- Automatable: yes
- Technical impact: total
Summary
Ahsay AhsayCBS, a backup and replication server, is affected through its Replication Receiver component. An attacker could remotely inject operating system commands, potentially giving them control over the underlying server.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: active · Automatable: yes · Technical impact: total
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
- Record last updated
Affected versions
- 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, 9.15.2.28, 9.15.2.29, and 85 more
References 7
Questions about CVE-2026-105134
What does this mean?
The UpdateReceivers.do page of the AhsayCBS Replication Receiver passes input into an operating system command without proper checks. This flaw lets a remote attacker run commands without logging in, with SYSTEM-level privileges on Windows hosts.Source: huntress.com, ahsay.com
Am I affected, and how do I check?
AhsayCBS versions up through 10.3.4 are affected. To check, look up the installed AhsayCBS version number and compare it with 10.3.4.Source: huntress.com, ahsay.com
What should I do about it?
Apply the AhsayCBS v10.3.4.45 hotfix, as the vendor advises for affected v10 versions. Until a patch is applied, restrict access to the management interface.Source: huntress.com, ahsay.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-14, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data