Introduction to CVE-2026-25742 Vulnerability The cybersecurity landscape changes rapidly, and new vulnerabilities can pose risks to your infrastructure. The CVE-2026-25742 vulnerability in Zulip highlights the need for robust server security measures. System administrators and hosting providers must stay vigilant to protect Linux servers from potential threats. Understanding CVE-2026-25742 Prior to version 11.6, Zulip, an open-source […]

Understanding CVE-2026-26058: A Path Traversal Vulnerability in Zulip Zulip is an open-source team collaboration tool. Recently, a critical vulnerability, CVE-2026-26058, was discovered which could impact server security. This vulnerability exists from version 1.4.0 through to just before version 11.6, allowing attackers to exploit servers by leveraging path traversal techniques during the import process. What Happened? […]

Introduction to CVE-2026-25742 Vulnerability The cybersecurity landscape changes rapidly, and new vulnerabilities can pose risks to your infrastructure. The CVE-2026-25742 vulnerability in Zulip highlights the need for robust server security measures. System administrators and hosting providers must stay vigilant to protect Linux servers from potential threats. Understanding CVE-2026-25742 Prior to version 11.6, Zulip, an open-source […]

Understanding CVE-2026-26058: A Path Traversal Vulnerability in Zulip Zulip is an open-source team collaboration tool. Recently, a critical vulnerability, CVE-2026-26058, was discovered which could impact server security. This vulnerability exists from version 1.4.0 through to just before version 11.6, allowing attackers to exploit servers by leveraging path traversal techniques during the import process. What Happened? […]

A new class of side-channel attacks have been appeared, which exploit the following CPU vulnerabilities: CVE-2017-5715 : branch target injection CVE-2017-5753 : bounds check bypass CVE-2017-5754 : rogue data cache load Meltdown and Spectre rely on them and allow the hackers to read the memory content of other programs, it means they can access the […]

What is a port? Ever since computers are able to run more programs at the same time and can connect to modern networks, ports became important. 3 things are needed for the communication between two machines: IP address of the host Port number Type of protocol (e.g. TCP, UDP) A port number is a 16-bit […]

Web applications pose a significant security risk to servers, and having a web application firewall (WAF) in place is vital to keeping your servers and your business running smoothly. The average web server faces thousands of attacks on a daily basis. There are a number of web application firewalls available to protect your server, and having […]

The number of cybersecurity breaches experienced in 2017 were really high, hackers kept themselves busy – just think about the WannaCry ransomware infecting Windows PCs. Furthermore, 2018 is almost here, and the future definitely holds many changes for you, Linux server operators, in the field of cybersecurity. As security always comes first, now it’s time […]

At Virtualization Day 2017 in Budapest, Hungary, we saw pretty good presentations about a different type of virtualizations and architecture concepts. In forenoon, Gergely Rab from Dell have shown us some very useful tools and solutions for software-defined storage architecture. One of these products is ScaleIO, which utilizes standard x86 servers and Ethernet network. In a […]

Two days ago storm clouds of cyberwar has reached our server from Argentina. In this article, we will share you some details about the attack. 22nd November started as a usual day. Until the afternoon nothing strange happened, then at about 5 o’clock a heavier request flood reached our servers, which has been increased until […]

Lots of our users are interested in using BitNinja with ServerPilot and our team was also very curious how much compatible they are. Therefore, I have tested it and today I show you the results. 🙂 Test details Tested operating systems: Ubuntu LTS 14.04, Ubuntu LTS 16.04 The goal of this test is to check […]

Server operator faces many different types of attacks every day. Brute force, spam, CMS hacks and SQL injections are the most common - and the majority of them are automated botnet attacks. I think none of us can estimate how many servers and PCs are being unprotected against even the most simple botnets. But it’s not […]

How would you imagine a world where annoying CAPTCHAs are not the first line when it comes to identification of botnets and human visitors? Here at BitNinja we thought big and made it come true. Let us show you a security solution where the visitors with suspicious incidents in their past don't have to type anything, […]

CVE-2026-28766: A Critical Vulnerability in Gardyn Cloud API The Gardyn Cloud API has exposed a severe vulnerability known as CVE-2026-28766. This critical flaw allows unauthorized access to all user account data without any authentication requirements. Understanding the Incident This vulnerability has been given a CVSS score of 9.3, indicating a critical risk level. It enables […]

Understanding CVE-2026-28767: A Critical Vulnerability In recent cybersecurity news, a major vulnerability has been identified as CVE-2026-28767. This flaw in the Gardyn Cloud API allows unauthorized access to sensitive administrative endpoints. It raises significant concerns for server security, particularly for system administrators and hosting providers. Details of the Vulnerability The CVE-2026-28767 vulnerability relates to a […]

Critical Vulnerability in Gardyn Cloud API: CVE-2026-25197 The recent discovery of a severe vulnerability in the Gardyn Cloud API has raised significant alarms in the cybersecurity community. This vulnerability, known as CVE-2026-25197, allows authenticated users to access other user profiles by modifying the ID number within the API call. This oversight opens the door to […]