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AI-Powered Zero-Day Chain, 543K Live Secrets, Model Inspection RCE and 13 More Stories

AI-Powered Zero-Day Chain, 543K Live Secrets, Model Inspection RCE and 13 More Stories

Ravie LakshmananOct 01, 2026Hacking News / Cybersecurity News This week, the useful words are boring ones: inspect, cache, compile, store, trust. Each sounds harmless. Each can become an attack path when a system does a… 

WordPress Backdoor Rebuilds Itself After Cleanup Using Files, Database, and Shared Memory

WordPress Backdoor Rebuilds Itself After Cleanup Using Files, Database, and Shared Memory

Ravie LakshmananOct 01, 2026Vulnerability / Web Security Cybersecurity researchers have shed light on a WordPress compromise in which threat actors deployed multiple persistence mechanisms to ensure that the final payload kept returning without having to… 

OpenAI Disrupts Reasoning Extraction Campaign Linked to Moonshot AI Associates

OpenAI Disrupts Reasoning Extraction Campaign Linked to Moonshot AI Associates

Ravie LakshmananOct 01, 2026Artificial Intelligence / Vulnerability OpenAI on Wednesday said it identified and disrupted a coordinated distillation campaign that was designed to illicitly extract protected reasoning from its artificial intelligence (AI) models. A “core… 

CISA Adds Exploited Cisco Catalyst SD-WAN Manager Auth Bypass to KEV

CISA Adds Exploited Cisco Catalyst SD-WAN Manager Auth Bypass to KEV

Ravie LakshmananOct 01, 2026Vulnerability / Network Security The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a critical authentication bypass flaw impacting Cisco Catalyst SD-WAN Manager to its Known Exploited Vulnerabilities (KEV), following… 

Google Rolls Out Gemini 4 Argon to Trusted Cyber Defenders, Plans Guardrail-Free Version

Google Rolls Out Gemini 4 Argon to Trusted Cyber Defenders, Plans Guardrail-Free Version

Ravie LakshmananOct 01, 2026Artificial Intelligence / AI Safety Google on Wednesday announced its latest frontier artificial intelligence (AI) model, Gemini 4 Argon, that it said is being rolled out to a set of trusted cyber… 

Apple CoreGraphics PoC Emerges as WhatsApp PDF Checks Hint at Possible Delivery Path

Apple CoreGraphics PoC Emerges as WhatsApp PDF Checks Hint at Possible Delivery Path

Security researchers have published the first public proof-of-concept for CVE-2026-86950, an Apple CoreGraphics flaw Apple says may have been used in attacks against specific targeted individuals. The trigger is a malicious PDF with a crafted… 

Bitget Confirms Third-Party Zero-Day Behind 7.5 Million Cryptocurrency Theft

Bitget Confirms Third-Party Zero-Day Behind $387.5 Million Cryptocurrency Theft

Cryptocurrency exchange Bitget on Wednesday confirmed that attackers who stole $387.5 million last week exploited a zero-day flaw in third-party security products, citing ongoing investigation findings from SlowMist. “Their investigation identified malicious activity involving third-party… 

MetaMask Security Incident Prompts Exit of Affected Ethereum Validators

MetaMask Security Incident Prompts Exit of Affected Ethereum Validators

Ravie LakshmananOct 01, 2026 MetaMask on Thursday said it’s responding to what it described as an “ongoing security incident” impacting part of its infrastructure. “We are actively addressing and remediating the issue internally, in coordination… 

Citrix NetScaler Post-Exploitation Payload Creates Superuser, Maps Web Shell to CSS-Like URLs

Citrix NetScaler Post-Exploitation Payload Creates Superuser, Maps Web Shell to CSS-Like URLs

Ravie LakshmananOct 01, 2026Vulnerability / Web Security Threat actors have been observed exploiting a critical pre-authentication command injection vulnerability in Citrix NetScaler ADC and NetScaler Gateway to drop web shells and attempt theft of configuration…