The cybersecurity landscape has been thrust into a state of high alert following the discovery of a critical arbitrary file access vulnerability, cataloged as CVE-2026-21589, affecting a wide array of Atlassian’s self-managed Data Center products. Within hours of the release of technical analysis and proof-of-concept (PoC) material by security researchers, threat actors have already begun […]
Critical Fortinet FortiMail Flaw Added to CISA KEV Catalog Amid Active In-the-Wild Exploitation
By Ravie Lakshmanan | October 02, 2026 Vulnerability / Enterprise Security Main Facts The United States Cybersecurity and Infrastructure Security Agency (CISA) has officially added a critical security vulnerability impacting Fortinet’s FortiMail secure email gateway to its heavily watched Known Exploited Vulnerabilities (KEV) catalog. The inclusion follows mounting intelligence and direct telemetry confirming that threat […]
Critical Security Alert: Qilin Ransomware Exploits Palo Alto Networks Flaw in Targeted Campaigns
By Ravie Lakshmanan July 21, 2026 In a sophisticated wave of cyber-attacks observed throughout June 2026, threat actors have been actively weaponizing a high-severity authentication bypass vulnerability within Palo Alto Networks’ PAN-OS software to launch devastating Qilin (also known as Agenda) ransomware campaigns. The findings, detailed by Arctic Wolf Labs, highlight a disturbing trend where […]