Security Highlights Of The Day [26/02/26]
Cisco Patches Catalyst SD WAN Zero Day Exploited by Highly Sophisticated Hackers
Cisco released emergency patches for a critical Catalyst SD WAN zero day vulnerability tracked as CVE-2026-20127 with a CVSS score of 10. The flaw can be remotely exploited to bypass authentication and gain administrative privileges on vulnerable devices. It affects the peering authentication mechanism of Catalyst SD WAN Controller and Catalyst SD WAN Manager, allowing unauthenticated remote attackers to send crafted requests.
Source: SecurityWeek
Microsoft Warns Developers of Fake Next.js Job Repositories Delivering In Memory Malware
A coordinated developer targeting campaign is using malicious repositories disguised as legitimate Next.js projects and technical assessments to trick victims into executing them and establishing persistent access. The activity aligns with broader job themed lures designed to blend into routine developer workflows and increase the likelihood of code execution.
Source: The Hacker News
New Dohdoor Malware Campaign Targets Education and Health Care
Cisco Talos identified an ongoing campaign delivering a previously undisclosed backdoor named Dohdoor. The malware uses DNS over HTTPS for command and control communications and can reflectively download and execute additional payloads. The campaign targeted organizations in the education and health care sectors in the United States through a multi stage attack chain.
Source: Cisco Talos
UnsolicitedBooker Targets Central Asian Telecoms with LuciDoor and MarsSnake Backdoors
The threat cluster known as UnsolicitedBooker has been observed targeting telecommunications companies in Kyrgyzstan and Tajikistan. The campaign involves deployment of two backdoors named LuciDoor and MarsSnake. Researchers report the use of several unique tools of Chinese origin.
Source: The Hacker News
Malicious NuGet Package Targets Stripe
Researchers discovered a malicious NuGet package mimicking Stripe.net, a widely used package with more than 70 million downloads. The campaign follows earlier activity targeting cryptocurrency related developer ecosystems and highlights continued supply chain risks within package repositories.
Source: ReversingLabs