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SimpleHelp RMM flaw could give attackers full access to managed endpoints (CVE-2026-48558)

Feeds2.Feedburner •Zeljka Zorz • June 16, 2026

A critical vulnerability (CVE-2026-48558) in SimpleHelp, a popular remote monitoring and management (RMM) tool, can be exploited remotely by unauthenticated attackers to create a new “Technician” account and use it to remote into managed endpoints, execute scripts, and more. Maliciously “forged” Technician account (Source: Horizon3.ai) The vulnerability CVE-2026-48558 is an authentication bypass flaw affecting SimpleHelp deployments configured to use OpenID Connect (OIDC) authentication. “Even when the SimpleHelp server is configured to enforce MFA for technicians, … More →

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical RCE Vulnerability in BeyondTrust Software Requires Immediate Patching BeyondTrust has issued a warning regarding a critical remote code execution (RCE) vulnerability in its Remote Support and Privileged Remote Access software. The flaw, tracked as CVE-2026-1731, allows unauthenticated attackers to execute arbitrary code remotely and affects versions 25.3.1 or earlier of Remote Support and 24.3.4 or earlier of Privileged Remote Access. Users are advised to apply the patches released on February 6, 2026, to mitigate the risk of exploitation. 1495 sources 67

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SimpleHelp RMM flaw could give attackers full access to managed endpoints (CVE-2026-48558)

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Extracted Entities

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