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.
Attackers are now exploiting a critical-severity Windows Server Update Service (WSUS) vulnerability, which already has publicly available proof-of-concept exploit code. [...]
The Cybersecurity & Infrastructure Security Agency (CISA) is warning that hackers are exploiting a critical vulnerability in the Motex Landscope Endpoint Manager. [...]
Hackers are actively exploiting the critical SessionReaper vulnerability (CVE-2025-54236) in Adobe Commerce (formerly Magento) platforms, with hundreds of attempts recorded. [...]
A high-severity vulnerability in the now-abandoned async-tar Rust library and its forks can be exploited to gain remote code execution on systems running unpatched software. [...]
TP-Link has made firmware updates available for a broad range of Omada gateway models to address four vulnerabilities, among which a critical pre-auth OS command injection. [...]
CISA has confirmed that an Oracle E-Business Suite flaw tracked as CVE-2025-61884 is being exploited in attacks, adding it to its Known Exploited Vulnerabilities catalog. [...]
CISA says threat actors are now actively exploiting a high-severity Windows SMB privilege escalation vulnerability that can let them gain SYSTEM privileges on unpatched systems. [...]