Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

On January 27, 2026, Fortinet released an advisory detailing a critical authentication bypass vulnerability affecting FortiOS, FortiAnalyzer, FortiManager, and FortiProxy products. Designated CVE-2026-24858, the vulnerability allows an unauthenticated threat actor with a FortiCloud account and a registered device to log into other devices registered to other accounts, if FortiCloud SSO authentication is enabled on those devices.

On January 20, 2026, Oracle patched a maximum‑severity vulnerability in its Fusion Middleware suite affecting Oracle HTTP Server and the WebLogic Server Proxy Plug‑in, tracked as CVE‑2026‑21962. An unauthenticated remote threat actor can exploit this flaw to gain unauthorized creation, deletion, or modification access to critical data. The issue stems from improper handling of incoming requests by the WebLogic Server Proxy Plug‑ins for Apache HTTP Server and Microsoft IIS.

On January 21, 2026, Cisco released fixes for a high-severity vulnerability impacting Cisco Unified Communications products that is under active exploitation, tracked as CVE-2026-20045. The flaw arises from improper input validation of user-supplied data in HTTP requests to the web-based management interface of affected devices.

Starting on January 15, 2026, Arctic Wolf began observing a new cluster of automated malicious activity involving unauthorized firewall configuration changes on FortiGate devices. This activity involved the creation of generic accounts intended for persistence, configuration changes granting VPN access to those accounts, as well as exfiltration of firewall configurations.

At Arctic Wolf, we believe the future of cybersecurity is built on AI guided by human expertise. Staying at the forefront of security operations means not just adopting new technology but deeply understanding how and where it should be applied.

In 2025, there were more than 48,000 vulnerabilities published, amounting to over a 20% increase from 2024. More troubling than the sheer volume of vulnerabilities in 2025 is that more than a third of them were given a rating of “high” or “critical” severity. For security teams already stretched too thin, a proactive vulnerability management plan that patches or otherwise remediates all vulnerabilities is too far out of reach.

On January 13, 2025, Fortinet released fixes for a critical-severity FortiSIEM vulnerability (CVE-2025-64155) that stems from improper neutralization of special elements used in OS commands within the phMonitor service (TCP/7900). An unauthenticated, remote threat actor can exploit this vulnerability via crafted TCP requests to execute unauthorized code or commands on affected systems.

In AI-powered security, advantage comes not from automation alone, but from clear insight into how decisions are made. At Arctic Wolf, home to one of the world’s largest commercial security operations centers (SOC), we process over 10 trillion security events weekly. Rather than chasing automation for its own sake, we build AI that scales human expertise – preserving judgment where it matters most. But what is the optimal combination of humans and machines for security operations?

On January 13, 2026, Fortinet released an advisory describing a high-severity remote code execution vulnerability affecting its FortiOS and FortiSwitchManager products. According to Fortinet, the vulnerability stems from a flaw in the CAPWAP Wireless Aggregate Controller Daemon and could allow an unauthenticated, remote threat actor to execute arbitrary code or commands. The vulnerability was discovered internally by Fortinet’s Product Security Team.

On January 7, 2026, Trend Micro released a critical patch for Apex Central on-premises versions below Build 7190, addressing multiple vulnerabilities. The most severe of the vulnerabilities disclosed is CVE-2025-69258, a critical severity vulnerability, which allows unauthenticated threat actors to load malicious DLLs and execute arbitrary code as SYSTEM without user interaction. The advisory also includes two medium-severity denial-of-service vulnerabilities, CVE-2025-69259 and CVE-2025-69260.