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? […]

If someone wants to use a server resource or take control of the server in some way or wants to steal data, then he does it via remote code execution vulnerability. What is Remote Code Execution? This vulnerability triggers in so many ways, but in most cases, it is possible via the following methods. •Untreated […]

There are tons of paid/free cloud-based solutions or standalone applications available over the internet that allow the user to check a system’s security level. Depending on the need, people can choose from simple nmap through “blackbox” security assessment tools to a wide range of heavy-weight penetration testing tools. Our approach Here at BitNinja we think […]

For devops in the web hosting business, holiday season is not exactly the most wonderful time of the year. If you’ve ever sneaked out from Christmas dinner to check on your servers’ status, or been woken up by attack alerts when only Santa Claus is supposed to be awake, you know what I mean. The […]

Before I begin to explain CSRFs we need to understand some facts. First of all, we have to see how websites usually work when they have a login. Most pages use username/email and password for authentication. In today's world, it's not uncommon for newer sites to support two-step authentication. Normally we use a login once […]

In the previous blog article, we learned about SQL injection and how it works. If you read it then you will know that it belongs to the family of the most serious vulnerabilities. The next vulnerability is not going to be so serious, but it's worth taking care of. What is HTTP Parameter Pollution? The […]

A few days ago, we released a new agent version (1.23.3), which contains very important developments: We added two new SenseLog rules. The first one detects arbitrary file uploader bots, and the second one is for Joomla Spam regers. SenseLog is prepared for future remote config update. Instant blacklist action added to WAF Manager. It […]

The current world war isn’t happening in the physical world. However, cyber attacks have stepped into the foreground, and blackhat hackers can gain millions with their targeted attacks. Their main weapon in this war: malware. In this article, we’ll diversify the different types of malware so that you can better understand their behaviour. There are […]

We like attending meetups because we believe that great ideas are created when we share our experience and knowledge. That’s why we decided to organize regularly an IT security meetup in our town, Debrecen. On 24th August, we held our third meetup and we are so happy that the number of the attendees is increasing. […]

As a member of the BitNinja Development Team, one of our most important tasks is to develop the protection of BitNinja. When we deal with such a process we can see how an attack works or how a botnet can exploit a vulnerability. It's almost like watching these events behind the scenes. That's why this […]

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 […]