Understanding CVE-2026-5538 and Its Impact on Server Security A recently discovered vulnerability, CVE-2026-5538, has been identified in QingdaoU OnlineJudge software, affecting versions up to 1.6.1. This vulnerability allows for server-side request forgery, which can be exploited remotely. System administrators and hosting providers must be vigilant to protect their infrastructures against this type of attack. Details […]

Introduction In the realm of cybersecurity, vulnerabilities pose significant risks to system administrators and hosting providers. Recently, a high-severity vulnerability, CVE-2026-5536, was identified in the FedML-AI framework. This weakness can be exploited to perform deserialization attacks remotely, potentially compromising Linux servers. Understanding CVE-2026-5536 CVE-2026-5536 impacts versions of FedML-AI up to 0.8.9. The vulnerability resides within […]

Understanding CVE-2026-5538 and Its Impact on Server Security A recently discovered vulnerability, CVE-2026-5538, has been identified in QingdaoU OnlineJudge software, affecting versions up to 1.6.1. This vulnerability allows for server-side request forgery, which can be exploited remotely. System administrators and hosting providers must be vigilant to protect their infrastructures against this type of attack. Details […]

Introduction In the realm of cybersecurity, vulnerabilities pose significant risks to system administrators and hosting providers. Recently, a high-severity vulnerability, CVE-2026-5536, was identified in the FedML-AI framework. This weakness can be exploited to perform deserialization attacks remotely, potentially compromising Linux servers. Understanding CVE-2026-5536 CVE-2026-5536 impacts versions of FedML-AI up to 0.8.9. The vulnerability resides within […]

The holidays are over already, and hackers didn’t sleep at all during that time. Yeah, a critical Joomla vulnerability is on board again. To tell the truth, this 0-day remote command execution vulnerability is already 3-weeks old, but it can still cause headache for owners using versions from 1.5 to 3.4. It is a quite […]

We are so proud and excited to announce that BitNinja team is one of the eight selected startups in Cyber London’s second accelerator programme. It has been a long-awaited goal of us which is a perfect opportunity to rise BitNinja to the next level. It means lots of passionate work, helpful mentorship and a dynamic environment to […]

2015 was a big year both for our team and for you who use BitNinja on your servers to make the Internet a safer place. We are so proud of our community, full of committed and passionate hacker hunters. A lot has happened this year and now, nearing the end of it, it feels good […]

Mystery is on the horizon, ladies and gentlemen! And we always get excited about unappreciated server attacks. Just like in case of this ‘abdulkarrem’ one. Come, put on the role of Sherlock Holmes with us. Recently, there is a very frequent attack type. More and more sysadmin experience and complain about malicious request like these: […]

BitNinja has two very efficient detection modules. Log analysis and DoS detection does a great job in filtering attacks, but they are lack of one very important thing. Log analysis can only work on requests already reached your server. There are attacks like login brute force attacks, where it is not a problem as there […]

Our Ninja Lab is always full of fantastic ideas and improvements. Sometimes it’s an easy ride to develop a terrific feature, sometimes it takes longer to find the right recipe. Yes, you guessed well, we are talking about the web application firewall module. But thanks to our enthusiastic users’ contribution in development and to our […]

HostingCon Europe was such a fun event this year and provided a way different experience for us, than being an exhibitor back in San Diego, at the global event. Fizzing atmosphere, great exhibitors, excellent organization and various visitors guaranteed our great time during this couple of days. Some warming up We are so proud to […]

We are happy to announce a long-awaited function at the BitNinja dashboard that facilitates your job to analyze attacks. The first step was to make the incident flow more transparent and clear for you. Many of you have a significant number of servers with huge traffic day by day. As you know, on average, 50% […]

We have terrific news again: BitNinja is able to directly fight against CryptoPHP malware. But what is this backdoor? And what does it do with your servers? Find out from our blog. What is CryptoPHP? CryptoPHP is a backdoor used for spamming and illegal search engine optimization (blackhat SEO) actions. This script provides remote control to […]

Understanding CVE-2026-5535 A recently disclosed vulnerability, CVE-2026-5535, has come into the spotlight, affecting the FedML-AI platform versions up to 0.8.9. This vulnerability allows remote attackers to conduct path traversal attacks through the FileUtils.java file of the MQTT Message Handler component. Such exploitability poses serious risks for server administrators and hosting providers, emphasizing an urgent need […]

Introduction The cybersecurity landscape is constantly evolving, making server protection crucial for system administrators and hosting providers. Recently, a significant vulnerability, identified as CVE-2026-5534, has been disclosed in the itsourcecode Online Enrollment System. This vulnerability exposes servers to SQL injection attacks, potentially compromising sensitive data. Understanding the implications of this threat and taking proactive measures […]

Understanding CVE-2026-5533 and Its Impact on Server Security The recent discovery of the CVE-2026-5533 vulnerability in the badlogic pi-mono framework highlights a serious security risk related to cross-site scripting (XSS). This flaw particularly affects version 0.58.4 of the SVG Artifact Handler, leading to potential remote exploitation. Summary of the Vulnerability The CVE-2026-5533 vulnerability exploits a […]