AhsayCBS Flaws Exploited to Deploy Web Shells Get New Fixes After Incomplete Patches
thehackernews.com Oct 15, 2026

AhsayCBS Flaws Exploited to Deploy Web Shells Get New Fixes After Incomplete Patches

AI-summarised brief · reviewed before publication

Singapore-based Ahsay Backup released security updates for AhsayCBS after two vulnerabilities, CVE‑2026‑105133 and CVE‑2026‑105134, were exploited to drop web shells and XMRig miners. The flaws allowed attackers to bypass authentication and execute arbitrary commands. Initial patches in August 2026 were incomplete; the company now offers hotfixes in versions 9.15.2.59 and 10.3.4.45. Huntress confirmed the new fix blocks the attack chain, and CISA added the flaws to its Known Exploited Vulnerabilities list, mandating federal patching by October 17, 2026.

💡 Why It Matters

  • · The vulnerabilities enabled attackers to gain unauthenticated remote code execution, compromising sensitive data and enabling cryptocurrency mining.
  • · Prompt patching is essential to protect federal systems and prevent further exploitation.