Stay updated on the latest in information security flaws. Explore news, insights, and analysis on vulnerabilities affecting digital safety.
Search across headline titles and summaries.
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.
As many as 200,000 WordPress websites are at risk of ongoing attacks exploiting a critical unpatched security vulnerability in the Ultimate Member plugin
MDSec ActiveBreach said the flaw affects versions 7.0 to 9.0 of the software
Cough, cough, use Rust. Plus: Eight more exploited bugs added to CISA's must-patch list The most dangerous type of software bug is the out-of-bounds write, according to MITRE this week. This type of flaw is responsible for 70 CVE-tagged holes in the US government's list of known vulnerabilities that are under active attack and need to be patched, we note.…
A critical security flaw has been disclosed in miniOrange's Social Login and Register plugin for WordPress that could enable a malicious actor to log in as any user-provided information about email address is already known
Data protection vendor Arcserve has addressed a high-severity security flaw in its Unified Data Protection (UDP) backup software that can let attackers bypass authentication and gain admin privileges. [...]
Multiple SQL injection vulnerabilities have been disclosed in Gentoo Soko that could lead to remote code execution (RCE) on vulnerable systems
Fortinet has rolled out updates to address a critical security vulnerability impacting its FortiNAC network access control solution that could lead to the execution of arbitrary code
Microsoft patched exploited boot loader flaw but did not revoke trust in unpatched loaders