The Hacker News

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New Linux 'Copy Fail' Vulnerability Enables Root Access on Major Distributions - The Hacker News

Technology May 1, 2026

Cybersecurity researchers have disclosed details of a Linux local privilege escalation (LPE) flaw that could allow an unprivileged local user to obtain root. The high-severity vulnerability tracked οΏ½...

Researchers Discover Critical GitHub CVE-2026-3854 RCE Flaw Exploitable via Single Git Push - The Hacker News

Technology April 29, 2026

Cybersecurity researchers have disclosed details of a critical security vulnerability impacting GitHub.com and GitHub Enterprise Server that could allow an authenticated user to obtain remote code exοΏ½...

FIRESTARTER Backdoor Hit Federal Cisco Firepower Device, Survives Security Patches - The Hacker News

Business April 26, 2026

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has revealed that an unnamed federal civilian agency's Cisco Firepower device running Adaptive Security Appliance (ASA) software was cοΏ½...

Apple Fixes iOS Flaw That Let FBI Recover Deleted Signal Messages - The Hacker News

Technology April 24, 2026

Apple has rolled out a software fix for iOS and iPadOS to address a Notification Services flaw that stored notifications marked for deletion on the device. The vulnerability, tracked as CVE-2026-289οΏ½...

Vercel Breach Tied to Context AI Hack Exposes Limited Customer Credentials - The Hacker News

Business April 21, 2026

Web infrastructure provider Vercel has disclosed a security breach that allows bad actors to gain unauthorized access to "certain" internal Vercel systems. The incident stemmed from the compromise oοΏ½...

Three Microsoft Defender Zero-Days Actively Exploited; Two Still Unpatched - The Hacker News

Technology April 18, 2026

Huntress is warning that threat actors are exploiting three recently disclosed security flaws in Microsoft Defender to gain elevated privileges in compromised systems. The activity involvesΒ the expl...

OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams - The Hacker News

Business April 16, 2026

OpenAI on TuesdayΒ unveiled GPT-5.4-Cyber, a variant of its latest flagshipΒ model, GPT‑5.4, that's specifically optimized for defensive cybersecurity use cases, days after rival Anthropic unveiled ...

GlassWorm Campaign Uses Zig Dropper to Infect Multiple Developer IDEs - The Hacker News

Technology April 12, 2026

Cybersecurity researchers have flagged yet another evolution of theΒ ongoing GlassWorm campaign, which employs a new Zig dropper that's designed to stealthily infect all integrated development environ...

Google Rolls Out DBSC in Chrome 146 to Block Session Theft on Windows - The Hacker News

Technology April 11, 2026

Google hasΒ made Device Bound Session CredentialsΒ (DBSC) generally available to all Windows users of its Chrome web browser, months afterΒ it beganΒ testing the security feature in openΒ beta. The p...

Anthropic's Claude Mythos Finds Thousands of Zero-Day Flaws Across Major Systems - The Hacker News

Business April 9, 2026

Artificial Intelligence (AI) company Anthropic announced a new cybersecurity initiativeΒ called ProjectΒ GlasswingΒ thatΒ will use a preview version of its new frontier model, Claude Mythos,Β to find ...