The Hacker News

1. Miasma Supply Chain Attack Compromises Red Hat npm Packages with Credential-Stealing Worm

   A new Mini Shai-Hulud supply chain attack campaign, codenamed Miasma, has compromised @redhat-cloud-services packages to steal credentials and secrets from developer machines and deliver a self-propagating worm. "This is effectively a Mini Shai-Hulud campaign: it uses the same core tactics of install-time execution, credential harvesting, CI/CD targeting, encrypted exfiltration, and potential

2. ⚡ Weekly Recap: New Linux Flaw, PAN-OS Exploit, AI-Powered Attacks, OAuth Phishing and More

   Monday hit like a cron job with anger issues. A busted auth path here, a repo-side faceplant there, some "patched-ish" thing already getting chewed on in the wild, and then the usual bonus round: poisoned dev tools, sketchy forum chatter, phishing kits pretending to be productivity, and AI lowering the bar for people who already thought 'curl | sh' had a personality. The vibe is simple: old

3. China-Aligned Groups Ramp Up Attacks: Dragon Weave Hits Czech Republic & Taiwan

   A new cyber espionage campaign codenamed Operation Dragon Weave has been observed targeting officials and citizens in the Czech Republic and Taiwan to deliver an AdaptixC2 agent. According to Seqrite Labs, targets of the campaign include government, research, academic, technology, and financial services sectors. The activity entails distributing spear-phishing emails containing ZIP attachments

4. The Security Growth Platform: Why MSPs Are Moving Beyond vCISO Tools

   Three years ago, the practical question for an MSP building a cybersecurity practice was which "vCISO platform" to buy. The term was good shorthand for the work at the time: assessments, advisory, reporting, maybe a compliance module bolted on the side. The work has since outgrown the descriptor. A Security Growth Platform is the more precise name for what MSPs and MSSPs need from the software

5. OpenAI Codex Authentication Tokens Stolen in codexui-android npm Supply Chain Attack

   Cybersecurity researchers have disclosed details of a new malicious supply chain campaign that's targeting developers using OpenAI Codex through a legitimate-looking remote web UI. The tool, named codexui-android, is advertised on GitHub and npm as a remote web UI for OpenAI Codex, attracting over 29,000 weekly downloads. The package is still available for download from the repository. What

6. Critical WP Maps Pro Flaw Actively Exploited to Create Admin Accounts

   Threat actors are attempting to actively exploit a critical security flaw impacting WP Maps Pro, a WordPress plugin that has had over 15,000 sales on the Envato Market, to create malicious administrator accounts on susceptible sites. WP Maps Pro allows site owners to embed customizable Google Maps and OpenStreetMap with markers, listings, and advanced location features on WordPress sites. It is

7. Dutch Authorities Dismantle Botnet Linked to 17 Million Infected Devices

   Dutch authorities have announced the takedown of a botnet that enslaved millions of infected devices, including computers, tablets, smartphones, and IoT devices, to carry out malicious attacks. The bot network, per the Dutch Politie and the National Cyber Security Center (NCSC), consisted of at least 17 million infected devices. More than 200 servers located in the Netherlands acted as the

8. PAN-OS GlobalProtect Authentication Bypass (CVE-2026-0257) Under Active Exploitation

   Palo Alto Networks has warned that a recently disclosed medium-severity security flaw impacting PAN-OS and Prisma Access has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-0257 (CVSS score: 7.8), refers to a case of authentication bypass that could be exploited by bad actors to set up VPN connections. "Authentication bypass vulnerabilities in the

9. ChatGPhish Vulnerability Turns ChatGPT Web Summaries Into a Phishing Surface

   Cybersecurity researchers have disclosed details of a vulnerability in OpenAI ChatGPT that leverages the artificial intelligence (AI) assistant's implicit trust in Markdown links and images to trigger prompt injections and open the door to phishing attacks. The technique has been codenamed ChatGPhish by Permiso Security. "The chatgpt.com response renderer trusts Markdown links and Markdown

10. Attackers Use LLM Agent for Post-Exploitation After Marimo CVE-2026-39987 Exploit

    An unknown threat actor has been observed using a large language model (LLM) agent to conduct post-compromise actions after obtaining initial access following the exploitation of a publicly-accessible Marimo network using a recently disclosed vulnerability. "The attacker compromised an internet-reachable Marimo notebook via CVE-2026-39987, extracted two cloud credentials from the compromised

11. New Russia-Linked GREYVIBE Targets Ukraine with AI-Powered Cyberattacks

    A previously undocumented threat actor dubbed GREYVIBE has been attributed to ongoing and persistent attacks targeting Ukraine and Ukraine-related entities since at least August 2025. GREYVIBE, per WithSecure, is assessed to be a Russian-speaking group operating broadly in the Russian time zone, with the activities aligning with Kremlin state interests, specifically when it comes to

12. What 2,000 Exposed Vibe-Coded Apps Reveal About the Limits of Most Security Stacks

    Shadow AI used to mean employees pasting things they shouldn't into ChatGPT. It now means something bigger: employees building full applications with AI, wiring them into production systems, and publishing them on the open internet. Without Security or IT in the loop. The artifact moved from a prompt to a product. The risk surface moved with it. In The Shadow Builders report (get it here), a

13. Malicious Sicoob NuGet Steals Banking Credentials as npm Packages Target Cloud Secrets

    Cybersecurity researchers have discovered a malicious NuGet package that masquerades as a C# software development kit for Sicoob, one of Brazil's largest cooperative financial systems, to siphon client IDs and PFX certificates. According to Socket, versions 2.0.0 through 2.0.4 of "Sicoob.Sdk" contain functionality to exfiltrate sensitive information, including PFX certificates that are used to

14. Kimsuky Deploys HTTPSpy, Expands Arsenal with HelloDoor and VS Code Tunnels

    The North Korean state-sponsored threat actor known as Kimsuky (aka Velvet Chollima) has been attributed to a fresh set of cyber attacks targeting South Korean military and corporate entities through March and April 2026. "Kimsuky employed a range of tailored social engineering tactics, such as spoofing security software installation pages and crafting a fake Webex meeting page that leveraged

15. Critical Gogs RCE Vulnerability Lets Any Authenticated User Execute Arbitrary Code

    A critical security vulnerability has been disclosed in Gogs, a popular open-source self-hosted Git service, that allows an authenticated user to execute arbitrary code under certain conditions. The security flaw, per Rapid7, is rated 9.4 on the CVSS scoring system. It does not have a CVE identifier. "The vulnerability allows any authenticated user to achieve remote code execution (RCE) on

16. Threat Actors Exploit Critical FortiClient EMS Flaw to Deploy Credential Stealer

    Threat actors are continuing to exploit a critical, now-patched security flaw impacting FortiClient Endpoint Management Server (EMS) deployments to deliver a credential-stealing malware family dubbed EKZ Infostealer. "The campaign abused trusted endpoint management infrastructure to deliver malware across managed endpoints," Arctic Wolf said. "Threat actors disguised the credential stealer

17. Microsoft Slams Public Zero-Day Disclosures Amid GitHub Researcher Account Removal

    Microsoft has come out strongly in favor of Coordinated Vulnerability Disclosure (CVD), urging the research community to share their findings and give affected vendors an opportunity to better understand the impact and address them before they are publicly disclosed. The development comes after a researcher named Chaotic Eclipse (aka Nightmare-Eclipse) disclosed details of multiple zero-day

18. ThreatsDay Bulletin: Claude Security Plugin, Azure Priv-Esc, Kali365 MFA Bypass, FIFA Scams +15 More

    Every time you think the industry has finally stopped doing some reckless, low-effort crap, somebody spins up a fresh box full of sketchy loaders, fake installers, recycled social-engineering bait, and enough exposed infrastructure to make you wonder if prod is just a public beta now - meanwhile some researcher casually drops a technique that turns a "minor" foothold into total account

19. New AI Usage Report: Enterprise AI Risk Is Heavily Concentrated Among a Small Group of AI "Power users"

    State of AI Usage Report 2026 (full report here) by LayerX Security reveals the extent of the enterprise AI visibility gap and why most organizations still don't understand where their AI exposure is actually coming from. The research shows that enterprise AI risk is not distributed evenly across users or platforms. Instead, it is heavily concentrated among a small group of AI power users and a

20. JINX-0164 Targets Cryptocurrency Firms with Fake Recruiter Lures and macOS Malware

    A new campaign orchestrated by a previously undocumented threat actor has targeted cryptocurrency organizations with an aim to facilitate digital asset theft using recruitment-themed social engineering and bespoke macOS malware. "These campaigns leveraged sophisticated social engineering techniques, custom macOS malware, and deep targeting of CI/CD infrastructure," Wiz researchers Shira Ayal,

21. Grandoreiro Malware and BTMOB RAT Campaigns Target Windows and Android Users

    Latin America and Europe become the target of two banking trojan campaigns that are designed to infect Windows and Android devices with Grandoreiro and BTMOB malware, respectively. That's according to new findings from WatchGuard and ESET, which have observed the two malware families being used to single out companies in Spain, Portugal, and Mexico, as well as mobile users in Brazil. The

22. Malicious npm Package Stole Files From Claude AI User Directory via GitHub

    Cybersecurity researchers have discovered a new malicious package on the npm registry that comes with information stealing capabilities. According to OX Security, the package, named "mouse5212-super-formatter," is designed to upload files from "/mnt/user-data," a dedicated directory used by Anthropic's Claude artificial intelligence (AI) tool to handle uploads and outputs in the background. The

23. 5 Steps to Managing Shadow AI Tools Without Slowing Down Employees

    When an employee installs an AI writing assistant, connects a coding copilot to their IDE, or starts summarizing meetings with a new browser tool, they are doing exactly what a productive employee should do: finding faster ways to work. Across most organizations today, employees are running three to five AI tools on any given day. Most were never reviewed by IT. A significant portion connects

24. GlassWorm Malware Takedown Disrupts Developer Supply Chain Attack Infrastructure

    CrowdStrike, in partnership with Google and the Shadowserver Foundation, has announced the simultaneous disruption of all command-and-control (C2) channels associated with GlassWorm, a persistent software chain campaign targeting software developers through malicious packages and extensions. "Since at least early 2025, GlassWorm operators have systematically targeted software developers, a

25. 3 SOC Steps that Shut Down Incident Risks Early

    Most organizations still picture cyber defense as a fortress problem: build stronger walls, add more guards, buy another detection engine. But modern incidents rarely crash through the front gate. They drift in disguised as routine activity, hide inside legitimate processes, and quietly accumulate risk long before anyone labels them an "incident." That changes the role of the SOC entirely. The