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 […]

Our Port Honeypot module proactively catches botnets very quickly, as botnets usually start to scan open ports, which is the first step of the attack cycle. We found an old IoT botnet that became active again. It strangely happened just 2 months after 21-year-old Kenneth Schuchman pleaded guilty to developing and deploying the Satori botnet. […]

On 3 Dec 2019, we released a new agent version (2.6.4) to fix the cert update bug in the SSL Terminating module, but unfortunately, some dependencies caused serious issues (kernel panic, redirection problems) on some CentOS 6 and CentOS 7 servers. It affected only 2% of the BitNinja protected servers because it occurred only in […]

Industry-first feature is available in BitNinja! We are happy to announce that the brand-new ASN white/blacklist option is out now. This development was requested by our users and we are so thankful that our partners are inspiring us to create such special features, which are only available in BitNinja. What does ASN mean? An autonomous […]

RCE attacks are one of the most dangerous types of attacks as hackers could take complete control of the victim’s host, meaning that they can run commands, install malware, etc. In this article, I’d like to introduce 2 new vulnerabilities, which have been patched by BitNinja WAF: vBulletin RCE Rusty Joomla RCE New botnet utilizes […]

It takes 99.9% less memory usage and 99.9% less time to set up… Unbelievable, but it’s possible with the new malware monitoring tool. While BitNinja believes in the power of prevention and our proactive modules are very robust, we also want to provide an all-in-one server security service. We know that malware infections are a […]

Not everyone uses the BitNinja Dashboard for the same reasons when doing their work. We know that. Which is why we have different sub-user roles built into our Dashboard. Why do you need sub-user roles? If you need your accountant to download your subscriptions’ invoices without sharing your BitNinja account's login details, and if you […]

ReadySpace was founded in 2003 and is based in Singapore. They provide cloud-based solutions to their 150,000 customers, mainly from the Asia Pacific region. They are now expanding to the Philippines and Indonesia, and since 2013 started to open towards American businesses. Challenges They were experiencing the harmful effects of heavy DoS attacks mainly, which […]

BitNinja was founded in 2014 and became very profitable by the following year. We could quickly grow by using our own resources, however, we are truly committed to our mission. We want to make the internet a safer place, so we decided to speed up our growth with investors. We are pleased to announce that […]

Ganesh Hosting is one of our oldest customers, who are with us from the very beginning. A few years ago, we asked them about their experience and created this case study. It was available only for our reseller partners but now we would like to share it with the publicity. The company Ganesh Hosting is […]

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 […]