# CVE-2026-105134 — Ahsay AhsayCBS

> As of 2026-10-05, CVE-2026-105134 is a CRITICAL-severity vulnerability in Ahsay AhsayCBS, CVSS v3.1 10, EPSS 1.8% (78.3th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-105134, most recently “Threat Actors Exploit Critical AhsayCBS Flaws (CVE-2026-105133, CVE-2026-105134) to Drop Webshells and XMRig Cryptominer”.

**Last updated:** 2026-10-05

## What is CVE-2026-105134?

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.

The record classifies CVE-2026-105134 under weakness classes [CWE-78](https://intel.threadlinqs.com/cwe/CWE-78), [CWE-77](https://intel.threadlinqs.com/cwe/CWE-77). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 6 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 10 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C`)
- **CVSS v4.0 base score:** 10 (`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`)
- **EPSS (FIRST):** 1.8% probability of exploitation in the next 30 days, higher than 78.3% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 10/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-10-04, last modified 2026-10-05

## Is CVE-2026-105134 being exploited?

Weaponised exploit code for CVE-2026-105134 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 61 in the Threadlinqs vulnerability feed.

- [RayanAlmulhim/CVE-2026-105134-lab](https://github.com/RayanAlmulhim/CVE-2026-105134-lab) (github)

## Affected products and versions

- **Ahsay**: AhsayCBS

## How to fix CVE-2026-105134

No vendor patch reference has been recorded for CVE-2026-105134 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-105134

1 tracked threat in the Threadlinqs corpus references CVE-2026-105134, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Threat Actors Exploit Critical AhsayCBS Flaws (CVE-2026-105133, CVE-2026-105134) to Drop Webshells and XMRig Cryptominer](https://intel.threadlinqs.com/threat/TL-2026-3109) — CRITICAL · 2026-10-09

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-10-10.

**Vendor advisory and patch**

- [ahsay.com — patch](https://www.ahsay.com/en/support/help-centre/release-notes/cbs/v10.3.4)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/413351)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/413351/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-105134)
- [vuldb.com — third party advisory (942743)](https://vuldb.com/submit/942743)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-105134
Full detection coverage and IOCs for threats exploiting CVE-2026-105134 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp