CVE-2026-105134: Ahsay AhsayCBS Command Injection Vulnerability

CISA Known Exploited Vulnerabilities

Name

Ahsay AhsayCBS Command Injection Vulnerability

Vendor

Ahsay

Product

AhsayCBS

Added to the catalog

2026-10-14

Due date for US federal agencies

2026-10-17

Weaknesses

CWE-77, CWE-78

Catalog version

2026.10.30

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.

Required action (CISA)

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.

Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's notes

• https://www.ahsay.com/en/company/announcements/patch-cve-105133-105134-update
• https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
• https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
• https://nvd.nist.gov/vuln/detail/CVE-2026-105134

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status

Analyzed

Published

2026-10-04T07:16:33.480

Last modified

2026-10-26T18:06:57.930

Weaknesses

CWE-77, CWE-78

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.

References

• https://vuldb.com/cve/CVE-2026-105134 (Third Party Advisory, VDB Entry)
• https://vuldb.com/submit/942743 (Third Party Advisory, VDB Entry)
• https://vuldb.com/vuln/413351 (Permissions Required, VDB Entry)
• https://vuldb.com/vuln/413351/cti (Permissions Required, VDB Entry)
• https://www.ahsay.com/en/company/announcements/patch-cve-105133-105134-update (Vendor Advisory)
• https://www.huntress.com/blog/ahsaycbs-flaws-exploit (Third Party Advisory)
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-105134 (US Government Resource)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:42:31.494Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-105134

CVE record

Title (CNA)

Ahsay AhsayCBS Replication Receiver UpdateReceivers.do os command injection

Assigner

VulDB

State

PUBLISHED

Published

2026-10-04T05:30:12.882Z

Updated

2026-10-26T14:31:13.988Z

Problem types

OS Command Injection; Command Injection

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.

References

• VDB-413351 | Ahsay AhsayCBS Replication Receiver UpdateReceivers.do os command injection
• VDB-413351 | CTI Indicators (IOB, IOC, TTP, IOA)
• CVE-2026-105134 | CVE Analysis and Report
• Submit #942743 | Ahsay Systems Corporation Limited Ahsay CBS 10.3.0 Remote Code Execution via Arbitrary File Write
• https://www.ahsay.com/en/company/announcements/patch-cve-105133-105134-update
• https://www.huntress.com/blog/ahsaycbs-flaws-exploit

Read on 2026-11-03T02:18:22.313Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/105xxx/CVE-2026-105134.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

MITRE D3FEND™ knowledge graph. © 2025 The MITRE Corporation.
"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/