Hackers turn AhsayCBS backup servers into Monero miners via critical flaws
Attackers are exploiting two AhsayCBS backup software flaws, including a critical unauthenticated RCE (CVE-2026-105134), to deploy webshells and XMRig cryptominers disguised as Microsoft Edge. At least five organizations were hit as of October 8; all versions up to 10.3.4 are affected.
- Critical CVE-2026-105134 allows unauthenticated RCE as NT AUTHORITY/SYSTEM
- Flaws disclosed October 4, exploitation began three days later
- XMRig disguised as Edge and killed when Task Manager opens
- All AhsayCBS versions through 10.3.4 are impacted
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