Stay updated on the latest in information security flaws. Explore news, insights, and analysis on vulnerabilities affecting digital safety.
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Background for this topic.
A flaw is a defect in software, hardware, system design, or configuration that causes unintended behavior. In security reporting, the term usually means a weakness that could violate confidentiality, integrity, or availability when reached through a particular interface, input, privilege, or operating condition. Not every flaw is exploitable, and exploitability depends on factors such as exposure, authentication requirements, affected versions, and available mitigations.
Flaws matter because they can create attack paths in applications, operating systems, devices, APIs, or administrative settings. Security teams assess their severity and exposure, prioritize remediation, apply patches or configuration changes, and use isolation or access controls when immediate fixes are unavailable. Code review, testing, vulnerability scanning, and monitoring can reveal flaws across the development and operational lifecycle. Reports should distinguish a confirmed vulnerability from a theoretical defect and provide enough technical detail to support validation without unnecessarily enabling exploitation.
Hackers have started to exploit a critical remote code execution vulnerability in Wing FTP Server just one day after technical details on the flaw became public. [...]
Proof-of-concept exploits have been released for a critical SQLi vulnerability in Fortinet FortiWeb that can be used to achieve pre-authenticated remote code execution on vulnerable servers. [...]
Learn how one overlooked flaw in OpenVSX discovered by Koi Secureity could've let attackers hijack millions of dev machines via an extension supply chain attack. The zero-day threat's been patched—but the wake-up call is clear: extensions are a new, massive supply chain risk. [...]
Four vulnerabilities dubbed PerfektBlue and affecting the BlueSDK Bluetooth stack from OpenSynergy can be exploited to achieve remote code execution and potentially allow access to critical elements in vehicles from multiple vendors, including Mercedes-Benz AG, Volkswagen, and Skoda. [...]
Multiple vulnerabilities that remain unpatched in Ruckus Wireless management products could be exploited to fully compromise the network environment they serve. [...]
A new vulnerability in ServiceNow, dubbed Count(er) Strike, allows low-privileged users to extract sensitive data from tables to which they should not have access. [...]
Today is Microsoft's July 2025 Patch Tuesday, which includes security updates for 137 flaws, including one publicly disclosed zero-day vulnerability in Microsoft SQL Server. [...]
Researchers have released proof-of-concept (PoC) exploits for a critical Citrix NetScaler vulnerability, tracked as CVE-2025-5777 and dubbed CitrixBleed2, warning that the flaw is easily exploitable and can successfully steal user session tokens. [...]