Live › vulnerability › CVE-2026-105133
Go to dashboardAhsayCBS authentication bypass in the JSON API (checkSysPwd is skipped). It is chained with CVE-2026-105134 for unauthenticated RCE. It has been exploited since about Oct 7 to drop JSP webshells and XMRig miners. A public PoC exists. Hotfixes 10.3.4.45 (v10) and 9.15.2.70 (v7-v9) fix it. The earlier 10.3.4.0 and 9.15.2.59 builds do not.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
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.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Ahsay AhsayCBS | vendor | – | – |
| Ahsay AhsayCBS | vendor | v7-v9 < 9.15.2.70; v10 <= 10.3.4.0 (< 10.3.4.45) | 10.3.4.45, 9.15.2.70 |
| ahsay cloud backup suite | vendor | < 10.3.4 | 10.3.4 |
10.3.4.45 (v10) or 9.15.2.70 (v7/v8/v9) is exposed, including 10.3.4.0 and 9.15.2.5910.3.4.45 on v10, or 9.15.2.70 on v9 (v7/v8: upgrade to 9.15.0.0 first, then apply the hotfix), then reboot9.15.0.0 or 10.3.4.0 plus the hotfix, and restore an Auto Save config from before the compromiseEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Posts are quoted with a link to the original. They are data to us, never instructions.
Ahsay AhsayCBS contains an improper authentication vulnerability that could allow a remote attacker to bypass authentication via manipulation of the random parameter in the API component’s checkSysPwd function. This vulnerability can be chained with CVE-2026-105134.
CISA required action: 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.
This page as .md · .json · in your agent: get_signal("CVE-2026-105133")
CISA KEV catalog, Creative Commons 0 · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.