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.
Researchers compiled a list of 3.5 billion WhatsApp mobile phone numbers and associated personal information by abusing a contact-discovery API that lacked rate limiting. [...]
Cox Enterprises is notifying impacted individuals of a data breach that exposed their personal data to hackers who breached the company network after exploiting a zero-day flaw in Oracle E-Business Suite. [...]
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a critical security flaw impacting Oracle Identity Manager to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation
The U.S. Cybersecurity & Infrastructure Security Agency (CISA) is warning government agencies to patch an Oracle Identity Manager tracked as CVE-2025-61757 that has been exploited in attacks, potentially as a zero-day. [...]
Experts Detail Upsides of Bug Bounties and Getting Devices Into Researchers' HandsAs fresh vulnerabilities in hardware keep coming to light, one question remains: What vendors can do to better prevent, identify and eradiate flaws? One shortlist offered by veteran hardware hackers centered on the upsides of engagement, including bug bounty programs.
Grafana has released security updates to address a maximum severity security flaw that could allow privilege escalation or user impersonation under certain configurations
Also: Fortinet Flaws, Aisuru Botnet and Dutch Police Seize Bulletproof Host ServersThis week, the root cause of the Cloudflare outage, active exploitation of Fortinet flaws, Logitech disclosed a data breach, Microsoft headed off a record-breaking botnet attack, Dutch police seized bulletproof hosting servers and Princeton University disclosed a data breach after a phishing attack.
Oligo Security has warned of ongoing attacks exploiting a two-year-old security flaw in the Ray open-source artificial intelligence (AI) framework to turn infected clusters with NVIDIA GPUs into a self-replicating cryptocurrency mining botnet
American cybersecurity company SonicWall urged customers today to patch a high-severity SonicOS SSLVPN security flaw that can allow attackers to crash vulnerable firewalls. [...]
D-Link is warning of three remotely exploitable command execution vulnerabilities that affect all models and hardware revisions of its DIR-878 router, which has reached end-of-service but is still available in several markets. [...]
This week has been crazy in the world of hacking and online security. From Thailand to London to the US, we've seen arrests, spies at work, and big power moves online. Hackers are getting caught. Spies are getting better at their jobs. Even simple things like browser add-ons and smart home gadgets are being used to attack people
Attackers may be joining the dots to enable unauthenticated RCE Fortinet has confirmed that another flaw in its FortiWeb web application firewall has been exploited as a zero-day and issued a patch, just days after disclosing a critical bug in the same product that attackers had found and abused a month earlier.…
A second zero-day vulnerability in its web application firewall (WAF) line has come under attack, raising more questions about the vendor's disclosure practices.
A critical flaw in the W3 Total Cache (W3TC) WordPress plugin can be exploited to run PHP commands on the server by posting a comment that contains a malicious payload. [...]
A recently disclosed security flaw impacting 7-Zip has come under active exploitation in the wild, according to an advisory issued by the U.K. NHS England Digital on Tuesday
CISA has ordered U.S. government agencies to secure their systems within a week against another vulnerability in Fortinet's FortiWeb web application firewall, which was exploited in zero-day attacks. [...]
Two-day exploit opened up 3.5 billion users to myriad potential harms Researchers in Austria used a flaw in WhatsApp to gather the personal data of more than 3.5 billion users in what they believe amounts to the "largest data leak in history."…
A newly discovered campaign has compromised tens of thousands of outdated or end-of-life (EoL) ASUS routers worldwide, predominantly in Taiwan, the U.S., and Russia, to rope them into a massive network
Fortinet has warned of a new security flaw in FortiWeb that it said has been exploited in the wild
A global campaign dubbed ShadowRay 2.0 hijacks exposed Ray Clusters by exploiting an old code execution flaw to turn them into a self-propagating cryptomining botnet. [...]