Browsing Tag
Cybersecurity
67 posts
Januscape KVM Flaw Turns Nested Virtualization Into a Host-Escape Risk
CVE-2026-53359, dubbed Januscape, is a 16-year-old Linux KVM shadow MMU flaw that can let a guest VM crash, and potentially escape to, an x86 host when nested virtualization is exposed. Operators should treat it as a hypervisor-boundary patch event, not a routine kernel update.
Signal Backup-Key Phishing Turns Account Recovery Into an Espionage Target
The FBI and CISA warn that Russian intelligence-linked actors are impersonating messaging-app support accounts to steal Signal backup recovery keys, verification codes, and account PINs. The attacks do not break encryption, but they can expose message backups and keep account-takeover paths alive until users replace compromised keys.
Hidden Web Prompts Turn AI Agents Into Payment Targets
Zscaler found malicious websites using SEO poisoning, hidden HTML, JSON-LD metadata, and crypto-payment flows to manipulate browsing AI agents. The findings show why agent deployments need transaction limits, source checks, and runtime controls before they are allowed to browse the open web or move money.
New CitrixBleed Flaw Puts NetScaler SAML Gateways on Patch Watch
CVE-2026-8451 affects NetScaler ADC and Gateway appliances configured as SAML identity providers, and Lupovis says exploit payloads appeared within 24 hours of disclosure. Admins should verify SAML IdP exposure, upgrade affected builds, and review SAML endpoint logs before treating the issue as routine patching.
AirDrop and Quick Share Flaws Show the Risk of Nearby Sharing
CISPA researchers found six flaws across Apple AirDrop and Google/Samsung Quick Share, including AirDrop crashes, Samsung Quick Share protocol bypasses, and a Google Quick Share for Windows use-after-free. The risk is local, but crowded places make nearby-sharing settings worth checking now.
JadePuffer Shows Agentic Ransomware Has Moved From Theory to Logs
Sysdig says JadePuffer is the first documented ransomware operation driven end to end by an AI agent. The intrusion used a known Langflow flaw, harvested cloud and API secrets, pivoted into Nacos, and left defenders with a new problem: autonomous attack behavior that is fast, adaptive, and strangely detectable.
Anthropic Fable 5 Returns as AI Export Controls Become a Release Test
Anthropic has restored global access to Claude Fable 5 after U.S. export controls forced an 18-day shutdown. The rollback shows how frontier AI releases are moving toward security classifiers, government review, and trusted-access programs rather than ordinary software launches.
Adobe ColdFusion Exploitation Turns Patch Into Incident Triage
CVE-2026-48282 is now being exploited against Adobe ColdFusion, turning Adobe's June 30 patch from routine maintenance into incident triage. Admins should update ColdFusion 2025 and 2023, review logs from the disclosure window, and verify exposed paths are closed.
Fake Perplexity Chrome Extension Turned Search Into a Tracking Channel
Microsoft says a malicious Chromium extension spoofed Perplexity AI, routed address-bar searches through a lookalike domain, and captured search suggestions before sending users to legitimate results. The case is a useful warning for anyone installing AI-branded browser tools.
NetNut Takedown Shows Smart TVs Can Become Attack Proxies
Google and the FBI say they disrupted NetNut, a residential proxy network tied to at least 2 million compromised consumer devices, including smart TVs and streaming boxes. The case shows why cheap Android-based TV hardware, unofficial apps, and bandwidth-sharing SDKs have become a real home-network and enterprise-detection risk.