CVE-2026-105134
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.
Fix
Public exploits 1
- RayanAlmulhim/CVE-2026-105134-lab PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
CISA KEV required action · due 2026-10-17
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.
Added to the catalog 2026-10-14. CISA KEV
Patch, vendor advisory and mitigation references on NVD 1
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
In the news 3
- AhsayCBS Flaws Exploited to Deploy Web Shells Get New Fixes After Incomplete Patches The Hacker News · 2026-10-15
- CISA Adds Four Known Exploited Vulnerabilities to Catalog CISA advisories and alerts · 2026-10-14
- Threat Actors Exploit Critical AhsayCBS Flaws to Drop Webshells and XMRig Cryptominer Huntress blog · 2026-10-08
Change history 10
- StatusModified → AnalyzedNVD modified 2026-10-26 18:06
- References+2 -1 references (now 7)NVD modified 2026-10-26 15:16
- StatusAnalyzed → ModifiedNVD modified 2026-10-26 15:16
- DescriptionNVD modified 2026-10-26 15:16
A flaw has been found in Ahsay AhsayCBS up to 10.3.2. 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 10.3.4 is able to resolve this issue. Upgrading the affected component is advised.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. - CVSS9.3 (v4.0, 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:P/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) → 10.0 (v4.0, 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)NVD modified 2026-10-26 15:16
- EPSS0.38 → 0.86
- EPSS0.05 → 0.38
- Cpes+1 CPE criteria (now 1)NVD modified 2026-10-15 13:47
- StatusUndergoing Analysis → AnalyzedNVD modified 2026-10-15 13:47
- First seenCVSS 9.3 · in KEVNVD modified 2026-10-14 20:30
Affected (CPE criteria) 1
cpe:2.3:a:ahsay:cloud_backup_suite:*:*:*:*:*:*:*:*
References 7
- 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