# CVE-2026-105133 — Ahsay AhsayCBS

> As of 2026-10-05, CVE-2026-105133 is a HIGH-severity vulnerability in Ahsay AhsayCBS, CVSS v3.1 7.3, EPSS 0.3% (30.3th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-105133, 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-2026-105133?

A vulnerability was detected in Ahsay AhsayCBS up to 10.3.2. This affects the function checkSysPwd of the file com/ahsay/obs/api/ApiStructsAction.java of the component API. Performing a manipulation of the argument random results in improper authentication. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 10.3.4 is able to mitigate this issue. It is recommended to upgrade the affected component.

The record classifies CVE-2026-105133 under weakness class [CWE-287](https://intel.threadlinqs.com/cwe/CWE-287). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction. 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:** 7.3 — HIGH (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C`)
- **CVSS v4.0 base score:** 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **EPSS (FIRST):** 0.3% probability of exploitation in the next 30 days, higher than 30.3% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.9/10 — 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-2026-105133 being exploited?

It currently carries a trending score of 41 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **Ahsay**: AhsayCBS

## How to fix CVE-2026-105133

No vendor patch reference has been recorded for CVE-2026-105133 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-2026-105133

1 tracked threat in the Threadlinqs corpus references CVE-2026-105133, 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. 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/413350)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/413350/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-105133)
- [vuldb.com — third party advisory (942688)](https://vuldb.com/submit/942688)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-105133
Full detection coverage and IOCs for threats exploiting CVE-2026-105133 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp