FortiOS

CISA Adds Four Actively Exploited Vulnerabilities to KEV Catalog Including Cisco FMC and Fortinet FortiOS

The US Cybersecurity and Infrastructure Security Agency has added four vulnerabilities to its Known Exploited Vulnerabilities catalog, warning that they are being actively exploited in the wild. The flaws affect Cisco Secure Firewall Management Center, Security Cloud Control, Fortinet FortiOS, FortiSwitchManager, and Citrix NetScaler products. One vulnerability allows attackers to bypass authentication and gain root privileges through crafted HTTP requests. Another is a heap-based buffer overflow that enables execution of unauthorized code or commands via specially crafted packets. CISA issued the update on September 9, 2026, urging organizations to apply patches immediately. The agency continues to track these issues as part of its ongoing efforts to mitigate real-world threats.

Top Cybersecurity Stories of the Week: WordPress XSS Flaw, Microsoft Patch Tuesday, Cisco Zero-Day and More

Security NEXT has published its weekly ranking of the most viewed articles between August 9 and August 15 2026. The list is dominated by critical vulnerabilities affecting widely deployed platforms including WordPress, Microsoft products, Cisco networking gear and Fortinet FortiOS. A cross-site scripting issue in the WordPress login screen and a remote code execution flaw in WordPress 7.0.4 both received immediate patches. Microsoft released updates addressing more than 400 vulnerabilities, while Cisco disclosed a zero-day denial-of-service flaw in its SSL VPN implementation. Additional high-impact issues were reported in FortiOS, Google Chrome, Zoom and Jenkins, prompting urgent remediation guidance from vendors.

Weekly Roundup: Critical Vulnerabilities Hit VMware ESX, FortiOS, Chrome, fastjson, Cisco FMC and Ruby on Rails

Security NEXT published its list of the ten most-read articles for the week of July 26 to August 1, 2026. The ranking is dominated by high-severity vulnerabilities affecting widely deployed enterprise platforms. VMware released fixes for serious flaws in ESX and vCenter, while Fortinet confirmed active exploitation of vulnerabilities in FortiOS and VeloCloud Orchestrator. Google patched 370 security issues in Chrome, and a data-conversion library fastjson was found vulnerable with observed attacks. Apple shipped iOS 26.6 and iPadOS 26.6 containing fixes for 87 vulnerabilities, and Cisco warned that its Firewall Management Center is already being exploited. Additional patches addressed OpenAM, Node.js, and a critical flaw dubbed KindaRails2Shell in Ruby on Rails. The list also includes a breach at an ANA Group e-commerce site that may have exposed customer data.

CISA Adds Exploited Flaws in FortiOS and VeloCloud Orchestrator to Known Exploited Vulnerabilities Catalog

The US Cybersecurity and Infrastructure Security Agency has added two actively exploited vulnerabilities to its Known Exploited Vulnerabilities catalog. CVE-2026-16812 affects the on-premises version of Arista VeloCloud Orchestrator and allows OS command injection that can lead to data leakage, tampering, and denial of service. The flaw carries a maximum CVSS v3.1 base score of 10.0 and is rated Critical. CVE-2025-68686 impacts Fortinet FortiOS and can be used to bypass specific patches and steal sensitive information when combined with another vulnerability that grants prior filesystem access. Federal agencies must remediate the VeloCloud issue by July 30 and the FortiOS issue by August 10.