CVE-2026-105134Ahsay AhsayCBS Replication Receiver UpdateReceivers.do os command injection
- 10.0CriticalCVSS base score
- 81.8%Exploitation in 30 daysEPSS · top 0.3% of all CVEs
- YesKnown exploitedin CISA's KEV since 14 Oct 2026
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Ahsay AhsayCBS Command Injection Vulnerability.
- Added
- 14 Oct 2026
- Fix due (US federal)
- 17 Oct 2026
- Used by ransomware
- Not known
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.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV and ENISA's EU KEV, since 14 Oct 2026.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Nuclei template for it. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits2
Nuclei templates1 template
- AhsayCBS <= 10.3.4 - Unauthenticated RCE (Nuclei template) (opens in a new tab)
http/cves/2026/CVE-2026-105134.yamlSeverity critical
References tagged exploit1 reference
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By VulDB
- 1 day later
· 1 day later
Published
- 10 days later
· 10 days later
Added to CISA KEV
Known exploited in the wild
- 12 days later
· 12 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Critical10.0 | 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 |
| VulDBCNA (assigner) | 3.1 | Critical10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C |
| VulDBCNA (assigner) | 3.0 | Critical10.0 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C |
| VulDBCNA (assigner) | 2.0 | Critical10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C/E:H/RL:OF/RC:C |
| NVDNVD · Analyzed | 4.0 | Critical10.0 | 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 |
- EPSS (exploitation in 30 days)
- 81.8% · top 0.3% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 10.0.
Affected products
- affected 9.15.2.0
- affected 9.15.2.1
- affected 9.15.2.2
- affected 9.15.2.3
- affected 9.15.2.4
- affected 9.15.2.5
- affected 9.15.2.6
- affected 9.15.2.7
- affected 9.15.2.8
- affected 9.15.2.9
- affected 9.15.2.10
- affected 9.15.2.11
- affected 9.15.2.12
- affected 9.15.2.13
- affected 9.15.2.14
- affected 9.15.2.15
- affected 9.15.2.16
- affected 9.15.2.17
- affected 9.15.2.18
- affected 9.15.2.19
- affected 9.15.2.20
- affected 9.15.2.21
- affected 9.15.2.22
- affected 9.15.2.23
- affected 9.15.2.24
- affected 9.15.2.25
- affected 9.15.2.26
- affected 9.15.2.27
- affected 9.15.2.28
- affected 9.15.2.29
- affected 9.15.2.30
- affected 9.15.2.31
- affected 9.15.2.32
- affected 9.15.2.33
- affected 9.15.2.34
- affected 9.15.2.35
- affected 9.15.2.36
- affected 9.15.2.37
- affected 9.15.2.38
- affected 9.15.2.39
- and 77 more
References
References7
- VDB-413351 | Ahsay AhsayCBS Replication Receiver UpdateReceivers.do os command injection (opens in a new tab)vdb-entrytechnical-description
- VDB-413351 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- CVE-2026-105134 | CVE Analysis and Report (opens in a new tab)third-party-advisory
- Submit #942743 | Ahsay Systems Corporation Limited Ahsay CBS 10.3.0 Remote Code Execution via Arbitrary File Write (opens in a new tab)third-party-advisory
- https://www.ahsay.com/en/company/announcements/patch-cve-105133-105134-update (opens in a new tab)patch
- https://www.huntress.com/blog/ahsaycbs-flaws-exploit (opens in a new tab)broken-linkexploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-105134 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-92078 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-105134)Record last updated .