Chrome Patches Critical Zero-Day (CVE-2026-2441) Under Active Exploit

This newsletter is AI generated and may hallucinate sometimes 😊 Fake AI Chrome extensions with 300K users steal credentials, emails * 30 malicious Chrome extensions, posing as AI assistants, tricked over 300,000 users. * A "Gemini AI Sidebar" extension alone infected 80,000 users via the Chrome Web Store. * Extensions

Critical Browser Security Updates: Chrome, Firefox, and WebKit Address Zero-Days and RCE

This newsletter is AI generated and may hallucinate sometimes 😊 Brave launches most powerful search API for AI to date * Brave launched a new Search API featuring Zero Data Retention (ZDR) and SOC 2 Type II compliance. * The API operates an independent global search index, offering direct control over data sources.

Browser Security Roundup: Edge, Chrome Extensions, AI Phishing & React RCE

This newsletter is AI generated and may hallucinate sometimes 😊 zkLogin: when ZKP is not enough * Critical vulnerabilities discovered in zkLogin blockchain authorization, despite using zero-knowledge proofs. * Identified flaws include JWT parsing ambiguities, weak token binding, centralization risks, and impersonation attacks. * Zero-knowledge proofs alone do not guarantee secure authentication, due to

Browser Security: Apple Zero-Days, Chrome 145, AI Attack Trends & Interop 2026

This newsletter is AI generated and may hallucinate sometimes 😊 Adblock Filters Exposes Reveal User Location Despite VPN Protection * New fingerprinting bypasses VPNs, exposing user location via AdBlock filter lists. * Malicious websites exploit country-specific AdBlock filter lists to pinpoint user location. * Browser configurations leveraged by malicious sites bypass VPNs by probing

February 2026 Browser Security: Microsoft Edge Updates & Critical 0-Day Patches

This newsletter is AI generated and may hallucinate sometimes 😊 EDR, Email, and SASE Miss This Entire Class of Browser Attacks * EDR, email security, and SASE tools fail to detect sophisticated browser-level attacks. * Attack vectors include ClickFix social engineering, malicious extensions, Man-in-the-Browser, and HTML smuggling. * Organizations need critical browser-level security observability

Microsoft February 2026 Patch Tuesday Addresses Critical Edge RCE and Exploited Web Security Flaws

This newsletter is AI generated and may hallucinate sometimes 😊 Critical 0-Click RCE Vulnerability in Claude Desktop Extensions Exposes 10,000+ Users to Remote Attacks * Zero-click RCE vulnerability discovered in Claude Desktop Extensions (DXT) allows arbitrary code execution. * Over 10,000 users affected; exploit occurs via a maliciously crafted Google Calendar

Critical SandboxJS Flaws (CVSS 10.0) Enable Host Takeover

This newsletter is AI generated and may hallucinate sometimes 😊 The Brave Search API's integration into Snowflake enables agentic web search for enterprise customers * Brave Search API integrates with Snowflake, offering privacy-focused web search for enterprises. * API provides real-time web data from an independent index, with SOC 2 Type

German Agencies Warn of Signal Phishing Campaigns Exploiting Browsers

This newsletter is AI generated and may hallucinate sometimes 😊 * German intelligence agencies BSI and BfV issued a joint warning regarding an active phishing campaign targeting high-profile individuals, including politicians, military personnel, and journalists, via the Signal messaging app. * This campaign leverages sophisticated social engineering to deceive victims into clicking malicious

PDF.js Critical JavaScript Library Flaws Addressed: Update Urgently

This newsletter is AI generated and may hallucinate sometimes 😊 * Mozilla's PDF.js, a popular open-source JavaScript library widely used for in-browser PDF rendering, has addressed critical code injection and crash vulnerabilities. * The code injection flaw could enable attackers to execute arbitrary JavaScript code within a user's

Blesta XSS Flaw Poses Client-Side Risk to Management Portals

This newsletter is AI generated and may hallucinate sometimes 😊 Blesta Reflected XSS Flaw Endangers Client Management Portals * A reflected Cross-Site Scripting (XSS) vulnerability, tracked as KIS-2026-01, has been identified in Blesta versions up to 5.13.1, specifically affecting the confirm_url parameter. * This flaw enables attackers to inject arbitrary

Chrome, Foxit & Open VSX Address Critical Browser & Extension Security

This newsletter is AI generated and may hallucinate sometimes 😊 Foxit Releases Security Updates for PDF Editor Cloud XSS Vulnerabilities * Foxit released security updates for its PDF Editor Cloud, addressing multiple Cross-Site Scripting (XSS) vulnerabilities. * These XSS flaws could allow attackers to inject malicious scripts into web pages viewed by users,

Firefox & Foxit: New AI Privacy Controls and Critical JavaScript Flaws

This newsletter is AI generated and may hallucinate sometimes 😊 Mozilla Firefox Introduces One-Click Option to Disable Generative AI Features * Mozilla Firefox has added a new user-friendly option that allows users to disable all generative AI features within the browser with a single click. * This feature, currently rolling out in the