Critical Alert 1 Active Exploit Detected Today

CVE-2026-48558 — SimpleHelp Authentication Bypass Vulnerability →

Zyxel Vulnerability Exploited by Helldown Ransomware Group

Do Son January 26, 2025 3 minutes read

Evidence of firewall policies added by the threat actor | Source: Yarix

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@DdoS · Security Researcher

Do Son

Do Son is the Founder and Editor of SecurityOnline.info. Working in cybersecurity since 2013, he reports on vulnerabilities, malware, and emerging threats, providing timely analysis to help organizations and individuals stay ahead of evolving risks.

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CVE-2026-48558CVSS 10.0
SimpleHelp versions 5.5.15 and prior and 6.0 pre-release versions contain an authentication bypass vulnerability in the OIDC authentication...
Admin intelCISA KEV📅 Added to KEV: Jun 29, 2026📅 Updated: Jun 29, 2026
CVE-2026-46817CVSS 9.8
Vulnerability in the Oracle Payments product of Oracle E-Business Suite (component: File Transmission). Supported versions that are affected...
Admin intel📅 Updated: Jun 29, 2026
CVE-2026-28496CVSS 9.4
FOSSBilling is a free, open-source billing and client management system. Versions prior to 0.8.0 have a Server-Side Template...
Admin intel📅 Updated: Jun 25, 2026
CVE-2026-12569
A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The...
CISA KEV📅 Added to KEV: Jun 25, 2026
CVE-2025-67038CVSS 9.8
An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The HTTP RPC module executes a shell command to write...
CISA KEV📅 Added to KEV: Jun 23, 2026
CVE-2026-34908CVSS 10.0
A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi...
CISA KEV📅 Added to KEV: Jun 23, 2026
CVE-2026-34909CVSS 10.0
A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS...
CISA KEV📅 Added to KEV: Jun 23, 2026
CVE-2026-34910CVSS 10.0
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi...
CISA KEV📅 Added to KEV: Jun 23, 2026

Critical Alert 1 Active Exploit Detected Today

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Do Son

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