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.
Progress Software is urging users to update their Telerik Report Server instances following the discovery of a critical security flaw that could result in remote code execution
Docker is warning of a critical flaw impacting certain versions of Docker Engine that could allow an attacker to sidestep authorization plugins (AuthZ) under specific circumstances
A zero-day security flaw in Telegram's mobile app for Android called EvilVideo made it possible for attackers to malicious files disguised as harmless-looking videos
A now-patched security flaw in the Microsoft Defender SmartScreen has been exploited as part of a new campaign designed to deliver information stealers such as ACR Stealer, Lumma, and Meduza
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two security flaws to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation