Security Affairs

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Cisco, Google Chromium V8, Fortinet, and Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the following vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: CVE-2026-20079 (CVSS score of 10.0) is an authentication bypass issue. The flaw resides in Cisco Secure […]

AI agents are gaining real-world access faster than safeguards can mature, making permissions, isolation and oversight critical to prevent harmful actions. Jacob Coxon, a researcher who spent three years working on model training at OpenAI and later Anthropic, left Anthropic this week with a blunt warning: AI companies are moving toward increasingly capable systems faster […]

Claude models compromised real systems during misconfigured security tests, exposing a worrying mix of flawed reasoning, harmful actions and weak safeguards. Anthropic just published one of the more uncomfortable self-assessments a major AI lab has released this year. The company’s alignment report documents four separate incidents in which Claude models broke into real third-party systems […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Microsoft Windows, N-able N-central, and Adobe flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the following vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: CVE-2026-75650 (CVSS score of 10.0) is an Adobe Commerce and Magento improper neutralization of special elements in a […]

Four espionage groups used the BlueMoon Chrome+Windows exploit kit within 12 days. Researchers suspect AI development. Proofpoint published a detailed analysis of a Chrome-and-Windows exploit kit it tracks as BlueMoon that four nation-state actors adopted within roughly two weeks of the first observed use. Google’s Threat Intelligence Group, Microsoft’s MSTIC, and Volexity all contributed to […]

US agencies accuse six Chinese AI firms of extracting billions of tokens from US AI models to accelerate development and copy advanced capabilities. NSA, CISA, and the FBI jointly published an advisory accusing six Chinese AI companies, DeepSeek, Moonshot AI, Alibaba, MiniMax, StepFun, and Z.AI, of running industrial-scale extraction campaigns against US frontier models since […]

Google patched 230 Chrome flaws, including an actively exploited V8 bug that could let attackers run arbitrary code through a crafted HTML page. Google released a Chrome update fixing 230 security vulnerabilities, including one already exploited in the wild tracked as CVE-2026-87491 (CVSS score of 8.8). The medium-severity flaw affects V8, Google’s open source high-performance […]

PoisonedRefresh rootkit injects PHP web shells into F5 BIG-IP APM Apache memory, leaving no disk artifacts. SophosLabs published a detailed technical analysis on September 8, 2026, of a Linux implant, dubbed PoisonedRefresh by ESET, they found in compromised F5 BIG-IP Access Policy Manager environments. Sophos tracks it as Linux/Agnt-IC. F5 has confirmed exploitation of the […]

The researcher Chaotic Eclipse released ShieldCrash, a PoC exploit for a Microsoft Defender Zero-Day vulnerability. Security researcher Chaotic Eclipse, also known as INFINITE NIGHTMARE, MSNightmare and Nightmare-Eclipse, released a new zero-day exploit targeting Microsoft Defender. The researcher named the exploit ShieldCrash, it triggers an arbitrary file read as SYSTEM. The researcher claims that Microsoft has not fully […]

September 2026 Patch Tuesday fixes a record 974 CVEs including 2 exploited zero-days, 20 wormable bugs, and a critical Exchange RCE via Visio email. Microsoft’s September 2026 Patch Tuesday set a new record. Depending on how researchers count external and Chromium bugs, Microsoft fixed between 966 and 997 CVEs in this update. The company also […]

Crypto exchange network Liquid Network lost $320 million overnight, then got most of it back after the hackers demanded a bug fix instead of a ransom Bitcoin’s Liquid Network, a sidechain built by Blockstream and used by dozens of exchanges to move funds faster and more privately than the main Bitcoin blockchain allows, got drained […]

Researchers built a WeChat worm that spreads through incoming calls without user action. Tencent has blocked the exploit. Researchers at Calif created a WeChat worm that can take over an account through an incoming call, even if the victim never answers or touches the phone. The attack works only when the caller already appears in […]

An exposed Vietnam-linked APIS database contained 220.8 million passenger and crew records, including passport and flight data. Researchers found an exposed Advance Passenger Information System (APIS) database containing 220.8 million passenger and crew records from January 2017 to April 2026. The data includes sensitive details such as passport numbers, identities and flight information, potentially affecting […]

North Korea-linked hackers hid a backdoor inside HAProxy, masking C2 traffic and stealing data while keeping the load balancer working normally. North Korean-linked hackers found a genuinely clever hiding spot for their malware: inside the actual source code of HAProxy, the load balancing software running at the edge of two South Korean companies’ networks. Rapid7’s […]

Attackers bypass endpoint security by posing as IT staff, stealing Microsoft 365 sessions, draining SaaS data and demanding extortion. Forget installing malware because today’s extortionists just pick up the phone instead of writing code. A widespread threat cluster tracked as PREY-0058 bypasses endpoint security entirely by targeting Microsoft 365 and SaaS environments through pure social […]

Condé Nast user data from 32.8 million accounts is reportedly for sale, raising risks of targeted phishing, fraud and scams. A database said to contain 32.8 million Condé Nast user records is being offered for $15,000 on a Russian-language cybercrime forum. Ransomnews reviewed a 5,000-record sample and concluded that it is consistent with genuine Condé […]

StyleSmuggler Magento zero-day is under active attack, letting unauthenticated attackers execute code and install backdoors on stores that may already be patched. A new zero-day flaw, dubbed StyleSmuggler, in Magento and Adobe Commerce is under active attack, giving unauthenticated attackers a path to run code on vulnerable online stores. Sansec researchers say it affects current […]

Chaotic Eclipse released GreenSection, a PoC exploit for an Nvidia GreenSection Memory Corruption Zero-Day Security researcher Chaotic Eclipse, also known as INFINITE NIGHTMARE, MSNightmare and Nightmare-Eclipse, released a new zero-day exploit targeting Nvidia. The researcher named the exploit GreenSection, it triggers a Memory Corruption flaw. The researcher disclosed a potential security vulnerability in NVIDIA’s Windows user-mode […]

JSCeal hides crypto-stealing malware in V8 bytecode, but researchers built a tool to decompile it and expose its advanced theft capabilities. JSCeal is a cryptocurrency stealer that Check Point Research has tracked since early 2025. Unlike most malware, it hides its code in a format that makes analysis much harder. Check Point presented its latest […]

Autonomous AI agents escaped a sandbox and accessed Hugging Face via reward hacking, exposing serious architectural control and isolation flaws. The recent case involving OpenAI test agents and Hugging Face should concern security teams, but not for the reason implied by headlines about an imminent AI “takeover.” The documented issue is more concrete: autonomous agents, […]