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Unpatched Tailscale SSH Flaws Could Let a Hacked Device Reach Root on Other Servers
A single hacked device on a Tailscale network can be used to gain root access to other servers it can reach, according to a security researcher who published the findings this week. The attack requires two things: Tailscale SSH set up to allow port forwarding, and an attacker who already controls one device that the
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PHP2Shell Exploitation Hits Government Entity Amid Global Scanning and Signs of AI-Assisted Hacking
Threat actors have been observed using agentic artificial intelligence (AI) platforms for post-exploitation activity following the abuse of the PHP2Shell vulnerabilities tracked as CVE-2026-109618 and CVE-2026-109619. « In one case, the attackers targeted a government entity in Europe and within two hours of the initial exploitation they had successfully accessed password hashes and multi-factor Origine de
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OpenAI AI Agents Demonstrate VM Escapes and Secret Cross-Sandbox Communication
OpenAI has announced plans to conduct frontier model training with no live internet access, as it resumes reinforcement learning (RL) training and internal inference of its most advanced AI models. « Based on the current state of alignment research, monitoring systems, and the security of internet infrastructure, we believe the responsible approach is to conduct frontier
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Brotli Decoder Flaw Behind Node.js RCE Also Affects Bun, Python and Other Widely Used Software
A memory-corruption flaw in Google’s Brotli decoder sits in many programs that unpack Brotli-compressed data, among them Bun, the Python Brotli and brotlicffi packages, and Envoy proxies set up to decompress Brotli. Tracked as CVE-2026-111497, the flaw allows crafted compressed data to overwrite past the end of a buffer and corrupt a program’s memory, potentially Origine de l’article : lire
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Leaked LiteLLM Master Key Let Attackers Steal GitHub Tokens and Hijack Release Pipeline
LiteLLM on Friday revealed that an Agent Platform master key accidentally published to a public GitHub repository in late May 2026 ultimately allowed the threat actor to push a malicious version of the popular Python package. « On May 27, 2026, a configuration file was committed to the public LiteLLM-Labs/lite-harness repository which inadvertently contained the master
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Google Says Gmail and Photos Data Shared With AI Search Could Be Used for Targeted Ads
Google has updated its privacy policy to spell out that using personalized artificial intelligence (AI) features in Search or Gemini could allow the company to serve targeted ads to users based on their activity on other connected Google services. « You may choose to allow certain Google services, including services like Search or Gemini Apps, to
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Researchers Push Over 2 Million Updates to Remotely Disable Popcorn Time Updater That Could Fuel a Botnet
Between November 2025 and March 2026, the Dutch security firm Eye Security pushed more than 2 million updates to computers it did not own to switch off a background updater that it said could have allowed an outsider to take over the machine. The updater belongs to Time4Popcorn, an abandoned copy of Popcorn Time, a
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CISA Flags Two Actively Exploited Critical Flaws in Collabora Online and Arista VeloCloud
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added two vulnerabilities impacting Collabora Online Built-in CODE Server and Arista VeloCloud Orchestrator (VCO) to its Known Exploited Vulnerabilities (KEV), citing reports of active exploitation in the wild. The critical-severity vulnerabilities are listed below – CVE-2026-110447 (CVSS score: 9.2) – An operating Origine de l’article
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Trust Is Not What It Seems — And Fraudsters Are Counting on It
Threat actors don’t need to rely on malware to breach organizations anymore. They’re simply calling help desks and politely asking for access, with a little help from artificial intelligence. Origine de l’article : lire l’article original
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Exposed to PHP2Shell? Cyber Experts Weigh in With Advice
Fixing the critical PHP flaws is not as simple as clicking "Update." Here’s how to assess your risk, and what you can do to protect yourself. Origine de l’article : lire l’article original
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BlackX UEFI Bootkit Bypasses Secure Boot on Patched Windows Systems Missing Revocations
Diplomatic organizations in Central Asia have been targeted by a sophisticated new Unified Extensible Firmware Interface (UEFI) bootkit called BlackX. The activity, which singled out diplomatic entities in Tajikistan, Uzbekistan, and Turkmenistan in early 2026, is suspected to be orchestrated by a China-linked state-sponsored hacking group known as APT41, Kaspersky said in a technical report
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Ruby Fixes Three Regex Engine Bugs Responsible for Four Critical GitLab RCE Flaws
Ruby has released versions 4.0.9, 3.4.12, and 3.3.13 to fix three bugs in Onigmo, the regular expression engine built into the language. The bugs lie behind four critical security flaws that GitLab patched over the past month. GitLab found that a specially crafted pattern could corrupt memory while Ruby compiles it, potentially leading to code
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Exposed Infrastructure Reveals How Ransomware Affiliates Used AI Agents to Execute Intrusions
Cybersecurity researchers have discovered an artificial intelligence (AI)-driven intrusion ecosystem run by affiliates of the INC and The Gentlemen ransomware groups. Central to the operation is an « Autonomous Red Team Kill Chain Framework » referred to as Phantom. The threat actor is assessed to be Russian-speaking and functions both as an intrusion and data-extortion operator, as
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AI Tools Are Generating Massive Attacks for Little Cost
One campaign targets 105 sites using open-weight models; in another, public models gained full domain control for $12. Cyber-defense will have to change. Origine de l’article : lire l’article original
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Why Caribbean Threats Cascade Into Global Cyber-Risk
The region is demonstrating what happens when exploits accelerate but assurance does not. Origine de l’article : lire l’article original
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Hackers Breach Enterprise Firewalls and VPNs, Exposing Over 70,000 Credentials
Cybersecurity researchers have disclosed details of a large-scale campaign that has targeted exposed network edge devices such as Fortinet FortiGate and Palo Alto Networks GlobalProtect firewalls. « Artifacts from this investigation also indicate that operators in this campaign have obtained access to numerous organizations worldwide, and have attempted to further compromise some victims, Origine de l’article
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Cyber Insurance's New Reality: Underwriting Isn't Enough
Rising AI, social engineering, and cloud risks are pushing carriers beyond risk transfer and deeper into cybersecurity itself. Origine de l’article : lire l’article original
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AI Agents as Insider Threats: Inside Microsoft's Bet on a Unified Security Stack
Microsoft’s Project Perception adds Guardian Agents to monitor and contain anomalous AI agents, but experts warn that policing unpredictable agents with other agents may compound — not contain — the risk. Origine de l’article : lire l’article original
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PHP Warns of Another Unpatched RCE Risk Two Days After Emergency PHP2Shell Patches
PHP has warned of another way an attacker could run code on a web server, two days after it shipped emergency fixes for the critical PHP2Shell flaws. The new issue, assigned CVE-2026-115560, affects only web applications configured in an unusual way, and PHP considers it an unlikely risk.The project is not issuing an emergency fix
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Russia-Linked Hackers Used New Mesh Network Backdoor in Destructive Ukraine Attack
The Russian state-sponsored hacking group Sandworm teamed up with another threat actor to carry out a destructive wiping attack targeting a Ukrainian logistics company last year. According to ESET, the attack involved UAC-0099 (aka Earth Sirrush) obtaining initial access to the target on July 16, 2025, via a spear-phishing email bearing a malware-laced attachment that
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Critical Flaw in Python’s Popular Pillow Image Library Allows Code Execution via a Crafted Image
Pillow, the most widely used image library for Python, can be made to run operating system commands on a server by specifying the name of a file it is told to open. The flaw, CVE-2026-112900, is in the way Pillow handles EPS images, which it opens by passing the file’s name to Ghostscript, a separate program
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Researchers Demonstrate Node2Shell RCE Exploit on Node.js Build Using Crafted Brotli Data
Malicious Brotli data can make an application on an official build of Node.js run attacker-supplied code, security researchers at Imperva have demonstrated. Their « Node2Shell » proof of concept ran code on the official Node.js 24.22.0 image for Linux arm64, with no debugger or custom build, by feeding crafted data to the bundled Brotli decoder (CVE-2026-111497). Node.js disclosed
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Critical x402 SDK Flaw Could Let Malicious APIs Drain AI Agents’ Token Balances
AI agents paying for API calls with the x402 SDKs could sign a payment for their full balance of a supported token if a malicious API asked for it, security firm V12 said on October 22. The cause was the SDKs’ default client, which set no spending limit until releases on August 18 added one. The risk was limited
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PHP2Shell Exploit Attempts Hit Millions as Attackers Try to Deploy Mirai Malware
Threat actors have been observed unsuccessfully attempting to exploit the newly disclosed PHP2Shell vulnerabilities to rope infected systems into a Mirai botnet variant called Potassium, as it emerges that weaponizing the flaws may be harder than previously thought. The attacks aim to exploit CVE-2026-109618 and CVE-2026-109619 (CVSS scores: 9.2), which can result in unauthenticated remote
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