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AI Security
Cisco Confirms Active Exploitation of CVE-2026-76504 in Catalyst SD-WAN Manager
Vulnerabilities & ExploitsUS Authorities Warn of Active Exploitation of Apple CoreGraphics and Cisco SD-WAN Vulnerabilities
The US Cybersecurity and Infrastructure Security Agency (CISA) has added two newly identified vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog. CVE-2026-86950 affects Apple iOS, iPadOS, and macOS through a flaw in the CoreGraphics framework that allows out-of-bounds memory writes and potential arbitrary code execution. CVE-2026-76504 impacts Cisco Catalyst SD-WAN Manager, enabling unauthenticated attackers to gain administrative access due to improper URI encoding handling in the API. Federal agencies must remediate both issues within three days of their respective catalog additions. CISA also requires organizations to check for signs of compromise in addition to applying patches. The alerts highlight ongoing risks to widely deployed Apple operating systems and enterprise SD-WAN infrastructure.
Cisco Patches Critical Zero-Day Authentication Bypass in Catalyst SD-WAN Manager
Cisco Systems has released security updates to address a critical zero-day vulnerability in Cisco Catalyst SD-WAN Manager that allows attackers to bypass authentication and gain remote administrator access. The flaw, tracked as CVE-2026-76504, stems from improper URI encoding handling in HTTP requests targeting specific APIs. With a CVSS v3.1 base score of 9.8, the issue is rated Critical and has already been exploited in real-world attacks confirmed by Cisco in September 2026. The company published its security advisory on September 30, 2026, and strongly recommends immediate updates to the fixed releases. Organizations are also advised to restrict API access to trusted sources while applying the patches.
Cisco Secure Email Gateway CVE-2026-76461 Critical SQL Injection Flaw Exploited in the Wild for Root Access
Cisco has confirmed active exploitation of CVE-2026-76461, a CVSS 9.8 critical SQL injection vulnerability in Secure Email Gateway. The flaw resides in AsyncOS mail parsing logic and allows unauthenticated attackers to execute arbitrary commands as root simply by sending a specially crafted email. No user interaction, authentication, or workarounds exist, leaving immediate patching as the only mitigation. Affected versions include all releases up to 15.5, 16.0, and 16.5; fixed builds are 15.5.5-014, 16.0.4-302, and 16.5.0-780. Because the gateway sits at the network perimeter with high privileges, successful compromise enables long-term email interception, lateral movement, and internal phishing campaigns. Organizations should examine mail_logs for patterns such as COPY.*TO PROGRAM and cross-check network telemetry for anomalous outbound connections.
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.
Cisco Patches Seven Critical IOS XE Vulnerabilities Including CVSS 9.8 Command Injection Flaw
Cisco has released security updates to address seven vulnerabilities in IOS XE, the operating system powering routers, switches, wireless controllers, and other enterprise network devices. The highest-severity issue, tracked as CVE-2026-20272 with a CVSS score of 9.8, stems from improper handling of special elements in commands and could enable remote command injection, unauthorized operations, and full device compromise over the network. Additional flaws impact memory management, resource lifecycle, numeric calculations, execution flow, and input validation, potentially leading to buffer overflows, out-of-bounds writes, crashes, infinite loops, and directory traversal. The vulnerabilities affect IOS XE versions 17.9, 17.12, 17.15, 17.18, and 26.1 in both standalone and controller modes regardless of configuration. Fixed releases include 17.9.10, 17.12.8, 17.15.6, 17.18.4, 17.18.4a, and 26.1.2, with no available workarounds. The issues were discovered during internal testing that incorporated advanced AI models, and no evidence of public exploitation has been observed.
How IT Professionals Risk Leaking Confidential Data When Using ChatGPT and Other LLMs
Artificial intelligence tools such as ChatGPT, Claude and Gemini have become daily instruments for network engineers, SOC analysts and system administrators who use them to analyze logs, debug configurations and generate scripts. The convenience comes with a serious risk: employees frequently paste large volumes of internal data into these cloud services without considering what information leaves the organization. Real-world examples include SOC teams uploading multi-thousand-line logs containing internal IP addresses, employee emails and authentication tokens, as well as network engineers sending running-config files from Cisco, FortiGate and Palo Alto devices. These files reveal VLAN structures, VPN peers, SNMP community strings and LDAP server addresses, providing attackers with valuable reconnaissance material. The Malwarebytes research team documented concrete cases where the Share function in AI platforms exposed sensitive corporate information. The underlying driver is not negligence but the universal desire to complete routine tasks faster, turning an efficiency tool into a potential data-exfiltration vector for banks, government agencies and healthcare organizations.