Exploitation active confirmée
Ajoutée au catalogue CISA KEV le 14/10/2026, correctif exigé avant le 17/10/2026 pour les agences fédérales américaines.
Action requise : 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.
Description officielle (NVD)
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.
Preuves de concept publiques (1)
Dépôts tiers non vérifiés, parfois piégés. Ne les exécutez jamais en production : uniquement dans un environnement de test isolé.
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horizon3ai/AhsayCBS-Auth-Bypass-RCE
· ★ 4 · 14/10/2026
A proof of concept exploit for CVE-2026-105133 and CVE-2026-105134 affecting AhsayCBS
Références
- https://vuldb.com/cve/CVE-2026-105133 — Third Party Advisory, VDB Entry
- https://vuldb.com/submit/942688 — Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/413350 — Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/413350/cti — Permissions Required, VDB Entry
- https://www.ahsay.com/en/support/help-centre/release-notes/cbs/v10.3.4 — Release Notes
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-105133 — US Government Resource
En bref
| Éditeur | Ahsay |
| Produit | AhsayCBS |
| Publiée le | 04/10/2026 |
| Modifiée le | 15/10/2026 |
| CVSS | 5.5 (v4.0) |
| EPSS | 5,79 % (centile 93) |
| CWE | CWE-287 |
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/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 : probabilité estimée d'exploitation dans les 30 prochains jours.
Produits concernés
ahsay · cloud_backup_suite
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