Cisco disclosed CVE-2026-76445, a medium-severity vulnerability in the Snort 3 Detection Engine that affects multiple Cisco products. An unauthenticated, remote attacker can send a crafted, fragmented UDP datagram containing GPRS Tunneling Protocol (GTP) extension headers. This makes the detection engine enter an infinite loop and restart…
Cisco disclosed CVE-2026-20221, a vulnerability in the generic routing encapsulation (GRE) tunnel decapsulation feature of the Snort 3 Detection Engine that affects multiple Cisco products. An unauthenticated, remote attacker can send a crafted GRE payload through an affected device to trigger an unexpected restart of the engine. Dependin…
Cisco disclosed CVE-2026-20218, a stack buffer overflow in the Snort 3 Visual Basic for Applications (VBA) Decompression Engine that affects multiple Cisco products. An unauthenticated, remote attacker can send crafted VBA data to a targeted device, causing the Snort 3 Detection Engine to restart unexpectedly and producing a denial of ser…
Cisco disclosed CVE-2026-76487, an improper access control vulnerability in Cisco Unified Communications Manager (Unified CM) and Unified CM Session Management Edition (Unified CM SME). An unauthenticated, remote attacker could send a crafted HTTP request to an affected device and bypass access controls. A successful exploit could give th…
Cisco published an advisory covering multiple vulnerabilities in the Snort 3 Detection Engine that affect several Cisco products. An unauthenticated, remote attacker could force the engine to restart unexpectedly, causing a denial of service (DoS). Cisco rates the Security Impact Rating as Medium and has released software updates. No work…
Cisco disclosed CVE-2026-20011, a medium-severity vulnerability in the Snort 3 SMTP MIME Decoder affecting multiple Cisco products. An unauthenticated, remote attacker can cause the Snort 3 Detection Engine to restart, producing a denial-of-service condition. Cisco has released software updates, and no workarounds exist. The advisory is p…
Cisco disclosed CVE-2026-76435, an information disclosure vulnerability in Cisco Expressway Series (Expressway-C and Expressway-E). An unauthenticated, remote attacker can obtain sensitive information from an affected device. Cisco rates the Security Impact as Medium. Software updates are available, there are no workarounds, and the artic…
Cisco disclosed CVE-2026-20327, a blind SQL injection vulnerability in the web-based management interface of Cisco Unified Intelligence Center. An authenticated, local attacker could send a crafted request and read the contents of the device's internal database. Cisco rates the Security Impact as Medium. Software updates are available and…
Cisco has disclosed multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) that could let a remote attacker access or manipulate data, obtain sensitive information, or cause a reload of certificate and key material on an affected device. The advisory (cisco-sa-ise-multiauth-bypa…
Cisco disclosed CVE-2026-20173, a medium-severity vulnerability in Cisco NX-OS Software that lets an unauthenticated, remote attacker exhaust system resources and cause a denial of service (DoS). The flaw exists because rate limiting is improperly applied to some protocols. The DoS condition clears without manual intervention soon after t…
Cisco disclosed CVE-2026-20038, a medium-severity vulnerability in the endpoint group (EPG) contract functionality of Cisco Nexus 9000 Series Fabric Switches in ACI Mode. An unauthenticated, remote attacker could bypass configured EPG contracts, undermining segmentation policy enforced by the fabric. The flaw stems from improper control w…
Cisco disclosed CVE-2026-20321, a command injection vulnerability in the web-based management API of Cisco Application Policy Infrastructure Controller (APIC). An authenticated, remote attacker with valid administrative credentials could execute arbitrary commands as root on the underlying operating system. Cisco rates the Security Impact…
Cisco disclosed CVE-2026-76488, a medium-severity vulnerability in the export policies functionality of Cisco Application Policy Infrastructure Controller (APIC). An authenticated remote attacker with valid administrative credentials could read sensitive files from the underlying file system of an affected device. The files include key ma…
Cisco disclosed CVE-2026-20032, a Medium-rated vulnerability in the Python interpreter of Cisco NX-OS Software. An authenticated local attacker with low privileges and Python execution rights can escape the Python sandbox and reach the underlying operating system of the device. The flaw stems from insufficient validation of user-supplied …
GreyNoise analyzed 147.8 million sessions over 103 days across 276 vendor-specific tags covering 18 network infrastructure vendors. It found that surges in scanning and exploitation activity regularly precede vendor advisories. Of 104 detected surges, 68 preceded a vendor-matched CVE (33 vulnerabilities across 16 vendor families), with a …
Israeli startup Hirundo reports that Alibaba's Qwen3-Coder shows a pro-CCP bias, producing more vulnerable code when asked to build applications for Western organizations. This is consistent with earlier findings by CrowdStrike (November 2025) and Booz Allen Hamilton (May 2026). Hirundo had the model build web services (sign-up, login, se…
A Hacktron researcher argues that AI-assisted vulnerability research is rapidly widening the enterprise attack surface. He cites recent breaches at Vercel and GitHub and a wave of critical CVEs in F5, Fortinet, Cisco, Palo Alto and ImageMagick. According to the author, the Vercel compromise began with a breach of the AI platform Context.a…