Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
CVE-2026-28220: Wazuh Cluster DAPI Deserialization RCE (CVSS 9.9) — Detection and Remediation Guide
CVE-2026-28220: When Your SIEM Becomes the Attack Surface Wazuh occupies a privileged position in most environments: it sees everything, tal...
CVE-2026-18294: OriginLab Origin Viewer OGW Parsing Memory Corruption — Detection and Remediation Guide
CVE-2026-18294: OriginLab Origin Viewer OGW Parsing Memory Corruption — Detection and Remediation Guide Why this matters now Zero Day Initia...
OpenAI Pauses Astra Model Testing Over Security Concerns: What Enterprise Defenders Must Do Now
OpenAI Pauses Astra Model Testing Over Security Concerns: What Enterprise Defenders Must Do Now OpenAI has paused portions of development an...
ShieldBreak Windows Zero-Day: Defending Against the Nightmare Eclipse Unpatched Privilege Escalation Exploit
Introduction On this month's Patch Tuesday — the day defenders are already buried triaging Microsoft's official fixes — a researcher or grou...
Belgium eID Browser Extension RCE: How a Compromised Trust Framework Exposed Citizen Accounts — Detection and Hardening Guide
When the Trust Anchor Itself Becomes the Attack Surface Belgium's electronic ID (eID) system is the backbone of digital identity for million...
CVE-2026-55040: SharePoint Authentication Bypass Under Active Exploitation — Detection and Remediation Guide
Introduction A publicly released proof-of-concept has turned a patched Microsoft SharePoint flaw into an active exploitation campaign. CVE-2...
Stealing Reasoning Traces from Proprietary LLM APIs: How Attackers Exfiltrate Chain-of-Thought and How to Defend Against It
Introduction A recently publicized technique demonstrates that proprietary large language model APIs — including models that deliberately su...
OpenAI Daybreak Expansion: What the Red and Blue Cyber Programs Mean for Enterprise Defenders
Introduction OpenAI has announced a significant expansion of its Daybreak initiative, moving beyond its original scope to offer specialized ...
PraisonAI praisonaiagents 1.6.77 Unauthenticated Remote Code Execution — Detection and Remediation Guide
Introduction Security Arsenal is issuing this advisory following the public release of exploit code for an unauthenticated remote code execu...