Microsoft Lets connectivity.office.com TLS Certificate Expire, Breaking Enterprise Microsoft 365 Diagnostics
Microsoft allowed the TLS certificate for connectivity.office.com — a critical enterprise Microsoft 365 diagnostic endpoint — to expire on June 14, 2026, triggering browser security warnings and breaking...
CVE-2026-48558: Critical SimpleHelp Auth Bypass Exposes 14,000 RMM Servers to Unauthenticated Access
Horizon3.ai disclosed CVE-2026-48558, a critical authentication bypass in SimpleHelp's OIDC integration that allows unauthenticated attackers to create privileged technician accounts and bypass MFA. Nearly 14,000 internet-exposed servers are...
CVE-2026-20262: Cisco Catalyst SD-WAN vManage Zero-Day Actively Exploited in Enterprise Attacks
Cisco has confirmed active zero-day exploitation of CVE-2026-20262, an arbitrary-file-write vulnerability in Catalyst SD-WAN Manager (vManage) that allows attackers to deploy web shells and escalate to root. No...
CVE-2026-54420: LiteSpeed cPanel Plugin Zero-Day Actively Exploited to Escalate Privileges to Root
A critical actively exploited zero-day in the LiteSpeed cPanel user-end plugin (CVE-2026-54420) enables attackers to escalate privileges to root, breaking tenant isolation in shared hosting environments. Patch to...
CISA BOD 26-04: Federal Agencies Must Patch Critical Vulnerabilities Within 3 Days Under New Risk-Based Mandate
CISA has issued Binding Operational Directive BOD 26-04, requiring federal civilian agencies to patch the most critical vulnerabilities — those that are internet-exposed, KEV-listed, automatable, and grant full...
GoFlateLoader: New Go-Based Malware Loader Infects 33,000+ Users by Outsizing Security Scanners
GoFlateLoader, a new Go-based malware loader active since April 2026, has infected over 33,000 users globally by exploiting a simple but effective trick: inflating its file size to...
CVE-2026-5027: Critical Langflow Path Traversal Flaw Actively Exploited for Remote Code Execution
A critical path traversal vulnerability (CVE-2026-5027, CVSS 8.8) in Langflow is being actively exploited to achieve remote code execution on exposed servers. No official patch is available, and...
OceanLotus APT (APT32) Compromises FireAnt MetaKit in Targeted Supply-Chain Attack on Vietnamese Stock Investors
The Vietnamese state-aligned threat group OceanLotus (APT32) hijacked the update server of popular investment software FireAnt MetaKit to deliver the SPECTRALVIPER backdoor to targeted stock market users, in...