CVE-2026-7465

The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 2.19.25. This makes it possible for authenticated attackers, with Contributor-level access and above, to execute code on the server...

Fake BlueWallet steals passwords, accounts, and crypto from Macs

A fake website impersonating BlueWallet a real Bitcoin wallet is targeting Mac users with a simple but effective attack. BlueWallet itself has not been compromised. Instead, cybercriminals have stolen the name and branding of the legitimate Bitcoin wallet to make a malicious download appear...

Fake Purchase Order Emails Spread Fileless PureLogs Malware via RAR Archives

Hackers are using fake purchase order emails and process hollowing to deploy fileless PureLogs malware to steal Windows users' browser, crypto, and Discord data...

A week in security (May 25 – May 31)

Last week on Malwarebytes Labs: Payment apps are watching what you say Lock and Code S07E11 Scammers pretending to be Microsoft had help from US executives 700+ education and tech websites hijacked in huge ClickFix malware campaign Fake software on GitHub and SourceForge distribute Deno RAT Fake...

CVE-2026-7465 Spectra Gutenberg Blocks <= 2.19.25 - Authenticated (Contributor+) Remote Code Execution via Arbitrary PHP Function Call via Block Attributes

The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 2.19.25. This makes it possible for authenticated attackers, with Contributor-level access and above, to execute code on the server...

unbounded-spsc: Sender::send pointer-as-value transmute causes OOB read and fake-Arc drop under TX/RX race

Summary Sender::send in src/lib.rs contains an unsafe block in the DISCONNECTED arm that transmutes a raw pointer mut Producer into the bytes of a value-level Consumer. The author's intent, visible in the surrounding comment at lines 386-390, was a value transmute. The shipped code is one level o...

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,...

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...

Frontier 访问控制错误漏洞

Frontier is an Ethereum-compatible layer of Substrate. It is used to run unmodified Ethereum Dapps. Frontier X2 has a access control vulnerability that stems from the lack of mandatory pairing authentication or authorization, allowing unauthorized BLE reads and writes of critical GATT features...

Fake ChatGPT download site infects Windows and Mac users with malware

A convincing fake website is impersonating OpenAI’s ChatGPT download page and infecting visitors with malware designed to steal passwords, browser data, cryptocurrency wallets, and other sensitive information. The site, openew.app, closely mimics OpenAI’s real ChatGPT download experience and offe...

Pirates in the crosshairs: how one cybercrime gang has been infecting book, movie, and TV show fans for years

Introduction In late April 2026, a client reached out to us for incident response support after discovering a miner running on users' computers. We later discovered that the malware was being distributed via illegal movie and TV show streaming sites. The infection chain leveraged a fake update fo...

CIFSwitch

CIFSwitch CVE-2026-46243 Writeuphttps://heyitsas.im/post...

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...

Fake software on GitHub and SourceForge distribute Deno RAT

During our threat hunting activities, we found fake installers and plugins impersonating popular software including ChatGPT, Claude, AutoTune, and Kontakt on GitHub and SourceForge distributing a Deno backdoor known as DinDoor. Attackers are using compromised YouTube channels to distribute links ...

Malicious code in opentiny-react (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 70307cffed06951bdb7b961e7846e3b3e0ba660b75ddca0b4fa11366ab94dc6d The package opentiny-react reproduces the source, README, and CHANGELOG of the legitimate @tinymce/tinymce-react integration verbatim under a...

CLSA-2026-1779375889 kernel: Fix of 95 CVEs

perf/x86/intel/uncore: Fix die ID init and look up bugs CVE-2026-43344 - x86/apic: Disable x2apic on resume if the kernel expects so CVE-2026-43363 - drm/amdgpu: Fix use-after-free race in VM acquire CVE-2026-43370 - dm: remove fake timeout to avoid leak request CVE-2026-43314 - md/bitmap: fix...

Malicious code in sklern (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 1495d93dccc77a422f70d192ef4d8dcd53b0c990fff43e68bc2a0eca301e5d10 Package name 'sklern' is a one-character deletion from the top-tier ML package 'sklearn', and its public API linearregression, logisticregression,...

MAL-2026-4513 Malicious code in chai-as-tuned (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector f7e00f81e117716cfd7fd3565cf8b04073cd494a6da2c23749669133806a7473 Package name chai-as-tuned impersonates chai-as-promised and ships a README copy-pasted from the unrelated pino project npm/CI badges point at...

Android Malware Spotted Subscribing Victims to Paid Services Without Consent

Cybersecurity researchers expose a 10-month global Android malware campaign using fake apps to secretly charge users through premium SMS bills...

MAL-2026-4218 Malicious code in solidity-deploy-guard (npm)

A coordinated supply-chain attack comprising 10 npm packages published by maintainer ddjidd5640 [email protected] within a 48-hour window 2026-05-19T03:55Z – 2026-05-21T04:31Z. All packages masquerade as legitimate Web3/DeFi developer security tools MCP servers while silently exfiltrating...