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vulnerability

Apps

Meta Muse Backdoor Stays Unpatched 24 Hours Later [2026]

Meta’s Muse AI assistant has gone 24 hours without a fix for a macOS vulnerability that lets local malware quietly hijack the app and turn it into what one researcher calls “the ultimate backdoor.” The bug, disclosed publicly on September 21, 2026 by Objective-See founder Patrick Wardle, remains unpatched as of September 22, according to…

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Apps

Meta Muse Zero-Day: 1 Setting Exposes 50+ Commands [2026]

A single undocumented setting inside Meta’s Muse AI assistant for macOS can be flipped by any unprivileged process already running on a Mac, silently rerouting a user’s dictated prompts and audio to a server an attacker controls. That is the core finding security researcher Patrick Wardle published on September 21, 2026, in a proof of…

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Apps

Nessus Essentials Setup: 5 Free IPs in 12 Steps [2026]

Tenable shipped Nessus 10.12.4 on August 19, 2026, and the free Nessus Essentials tier that ships with it still confuses people who learned the product years ago. Older guides insist the free edition scans up to 16 IP addresses. Tenable’s current product page and its 10.12 documentation both say five. That single number changes how…

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Cyber Security

Zyxel and Veeam Flaws Under Active Exploitation With Command and SYSTEM Access

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a now-patched security flaw impacting Zyxel GS1900 series switches to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability, tracked as CVE-2026-7273 (CVSS score: 8.8), is a stack-based buffer overflow vulnerability that could result in arbitrary operating

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Cyber Security

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-7273 Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise.  Binding Operational Directive (BOD) 26-04: Prioritizing…

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Apps

BragJack Attack Hijacks AI Browser Agents in 5 Browsers [2026]

A single browser extension, using permissions no more unusual than what a standard ad blocker requests, can seize control of AI assistants built into five major Chromium-based browsers. That is the finding behind BragJack, a proof-of-concept attack disclosed this month by security researcher Gal Weizman of Forever Security and detailed in a September 19, 2026…

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