Tag: malicious
-
Critical React2Shell RCE Flaw Actively Exploited to Run Malicious Code
A critical remote code execution vulnerability in React Server Components has emerged as an active exploitation target, with security researchers observing widespread automated attacks across the internet. The flaw, tracked asCVE-2025-55182and dubbed >>React2Shell,
-
Malicious Go Packages Impersonate Google’s UUID Library to Steal Sensitive Data
A hidden danger has been lurking in the Go programming ecosystem for over four years. Security researchers from the Socket Threat Research Team have discovered two malicious software packages that impersonate popular Google tools. These fake packages, designed to trick busy developers, have been quietly stealing data since May 2021. The malicious packages are identified…
-
Malicious Go Packages Impersonate Google’s UUID Library to Steal Sensitive Data
A hidden danger has been lurking in the Go programming ecosystem for over four years. Security researchers from the Socket Threat Research Team have discovered two malicious software packages that impersonate popular Google tools. These fake packages, designed to trick busy developers, have been quietly stealing data since May 2021. The malicious packages are identified…
-
Maximum-severity XXE vulnerability discovered in Apache Tika
A maximum severity vulnerability in Apache Tika, tracked as CVE-2025-66516 (CVSS score of 10.0), allows XML external entity attacks. CVE-2025-66516 carries a maximum CVSS rating of 10.0 because it lets attackers trigger an XXE injection in Apache Tika’s core, PDF, and parser modules. An attacker can embed a malicious XFA file inside a PDF and…
-
Warning: React2Shell vulnerability already being exploited by threat actors
Tags: ai, application-security, attack, china, cloud, communications, credentials, data, data-breach, exploit, firewall, framework, group, infosec, intelligence, linux, malicious, malware, open-source, service, software, threat, tool, update, vulnerability, wafSystem.Management.Automation.AmsiUtils.amsiInitFailed = true (a standard AMSI bypass), and iex executes the next stage.JFrog’s security research team also today reported finding a working proof of concept that leads to code execution, and they and others have also reported finding fake PoCs containing malicious code on GitHub. “Security teams must verify sources before testing [these PoCs],” warns JFrog.Amitai Cohen, attack…
-
Hardening browser security with zero-trust controls
Tags: access, api, authentication, automation, browser, chrome, cisa, cloud, compliance, container, control, corporate, credentials, crowdstrike, data, data-breach, detection, edr, email, encryption, endpoint, exploit, fido, finance, framework, google, governance, group, Hardware, identity, kubernetes, least-privilege, login, malicious, malware, mfa, microsoft, network, nist, okta, passkey, password, phishing, phone, risk, risk-assessment, sap, service, soar, theft, threat, tool, update, wifi, windows, zero-trust1. Identity-first access control Network proximity is now an inferior trust signal. Only federated, cryptographically verifiable identity tokens issued by centralized enterprise IdPs using OIDC or SAML are permitted as gates to corporate resources. This transition, well-documented by FIDO Alliance and Microsoft research, transfers the very concept of “inside” the organization from the network to…
-
Apache Tika Core Flaw Allows Attackers to Exploit Systems with Malicious PDF Uploads
A newly disclosed critical vulnerability in Apache Tika could allow attackers to compromise servers by simply uploading a malicious PDF file, according to a security advisory published by Apache maintainers. Tracked asCVE-2025-66516, the flaw affectsApache Tika core,Apache Tika parsers, and theApache Tika PDF parser module. CVE ID Severity Vulnerability Type Affected Component Affected Versions CVE-2025-66516 Critical XML External…
-
Russian Calisto Hackers Target NATO Research with ClickFix Malware
Tags: credentials, cyber, defense, hacker, intelligence, malicious, malware, phishing, russia, service, spear-phishing, threat, ukraineRussian intelligence-linked cyber threat actors have intensified their operations against NATO research organizations, Western defense contractors, and NGOs supporting Ukraine, employing sophisticated phishing and credential harvesting techniques. The Calisto intrusion set, attributed to Russia’s FSB intelligence service, has escalated its spear-phishing campaigns throughout 2025, leveraging the ClickFix malicious code technique to target high-value entities across…
-
Cacti Command Injection Flaw Allows Remote Execution of Malicious Code
A newly disclosed security flaw in the open-source monitoring platform Cacti could allow attackers to execute arbitrary commands on vulnerable servers. The issue, ratedHighseverity and tracked asCVE-2025-66399, affectsCacti versions up to and including 1.2.28. The problem has been fixed inCacti 1.2.29. The vulnerability stems from improper input validation in the SNMP device configuration workflow. When an authenticated…
-
Cacti Command Injection Flaw Allows Remote Execution of Malicious Code
A newly disclosed security flaw in the open-source monitoring platform Cacti could allow attackers to execute arbitrary commands on vulnerable servers. The issue, ratedHighseverity and tracked asCVE-2025-66399, affectsCacti versions up to and including 1.2.28. The problem has been fixed inCacti 1.2.29. The vulnerability stems from improper input validation in the SNMP device configuration workflow. When an authenticated…
-
New Phishing Campaign Impersonates India’s Income Tax Department to Distribute AsyncRAT
In November 2025, security researchers at Raven AI identified a sophisticated zero-day phishing campaign impersonating the Income Tax Department of India, targeting enterprises across the country with a multi-stage malware chain. The attack combined authentic-looking government communications with advanced evasion techniques, delivering both a shellcode-based RAT loader and a malicious executable disguised as a GoTo…
-
Predator spyware uses new infection vector for zero-click attacks
The Predator spyware from surveillance company Intellexa has been using a zero-click infection mechanism dubbed “Aladdin” that compromised specific targets when simply viewing a malicious advertisement. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/predator-spyware-uses-new-infection-vector-for-zero-click-attacks/
-
Silver Fox Uses Fake Microsoft Teams Installer to Spread ValleyRAT Malware in China
The threat actor known as Silver Fox has been spotted orchestrating a false flag operation to mimic a Russian threat group in attacks targeting organizations in China.The search engine optimization (SEO) poisoning campaign leverages Microsoft Teams lures to trick unsuspecting users into downloading a malicious setup file that leads to the deployment of ValleyRAT (Winos…
-
From feeds to flows: Using a unified linkage model to operationalize threat intelligence
Tags: access, api, attack, authentication, automation, business, ciso, cloud, compliance, container, control, corporate, credentials, cyber, cybersecurity, data, defense, exploit, finance, firewall, framework, github, government, iam, identity, infrastructure, intelligence, ISO-27001, malicious, metric, mitre, monitoring, network, nist, open-source, phishing, risk, risk-assessment, risk-management, saas, service, siem, soc, software, supply-chain, tactics, threat, tool, update, vulnerability, zero-trustwhat to watch for, but not why it matters or how it moves through your environment.The result is a paradox of abundance: CISOs have more data than ever before, but less operational clarity. Analysts are overwhelmed by indicators disconnected from context or mission relevance.Each feed represents a snapshot of a potential threat, but it does…
-
Windows shortcuts’ use as a vector for malware may be cut short
Windows shortcut files (.lnk) have long been a convenient hiding place for attackers because Windows Explorer only displayed the first 260 characters of the command in a shortcut’s properties. Anything appended after a long string of spaces stayed invisible to the user.The issue is tracked as CVE-2025-9491, with security analysts assigning a high-severity CVSS rating…
-
Microsoft quietly shuts down Windows shortcut flaw after years of espionage abuse
Silent Patch Tuesday mitigation ends ability to hide malicious commands in .lnk files First seen on theregister.com Jump to article: www.theregister.com/2025/12/04/microsoft_lnk_bug_fix/
-
Malicious Rust packages targeted Web3 developers
A malicious Rust crate (package) named evm-units, aimed at stealing cryptocurrency from unsuspecting developers, has been pulled from the official public package registry for … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2025/12/04/malicious-rust-packages-targeted-web3-developers/
-
UK’s Cyber Service for Telcos Blocks One Billion Malicious Site Attempts
A new cyber defense service has prevented almost one billion early-stage cyber-attacks in the past year, British Security Minister claims First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/uk-cyber-service-blocks-billion/
-
ShadyPanda’s Years-Long Browser Hack Infected 4.3 Million Users
A threat group dubbed ShadyPanda exploited traditional extension processes in browser marketplaces by uploading legitimate extensions and then quietly weaponization them with malicious updates, infecting 4.3 million Chrome and Edge users with RCE malware and spyware. First seen on securityboulevard.com Jump to article: securityboulevard.com/2025/12/shadypandas-years-long-browser-hack-infected-4-3-million-users/
-
ShadyPanda’s Years-Long Browser Hack Infected 4.3 Million Users
A threat group dubbed ShadyPanda exploited traditional extension processes in browser marketplaces by uploading legitimate extensions and then quietly weaponization them with malicious updates, infecting 4.3 million Chrome and Edge users with RCE malware and spyware. First seen on securityboulevard.com Jump to article: securityboulevard.com/2025/12/shadypandas-years-long-browser-hack-infected-4-3-million-users/
-
PickleScan Uncovers 0-Day Vulnerabilities Allowing Arbitrary Code Execution via Malicious PyTorch Models
JFrog Security Research has uncovered three critical zero-day vulnerabilities in PickleScan, a widely-adopted industry-standard tool for scanning machine learning models and detecting malicious content. These vulnerabilities would enable attackers to completely bypass PickleScan’s malware detection mechanisms, potentially facilitating large-scale supply chain attacks by distributing malicious ML models containing undetectable code. The discoveries underscore a fundamental…
-
Vim for Windows Flaw Lets Attackers Execute Arbitrary Code
A high security vulnerability has been discovered in Vim for Windows that could allow attackers to run malicious code on affected systems. The flaw, tracked as CVE-2025-66476, affects Vim versions earlier than 9.1.1947 and received a high severity rating due to its serious implications for Windows users. Attribute Details CVE ID CVE-2025-66476 Product Vim for…
-
Vim for Windows Flaw Lets Attackers Execute Arbitrary Code
A high security vulnerability has been discovered in Vim for Windows that could allow attackers to run malicious code on affected systems. The flaw, tracked as CVE-2025-66476, affects Vim versions earlier than 9.1.1947 and received a high severity rating due to its serious implications for Windows users. Attribute Details CVE ID CVE-2025-66476 Product Vim for…
-
Vim for Windows Flaw Lets Attackers Execute Arbitrary Code
A high security vulnerability has been discovered in Vim for Windows that could allow attackers to run malicious code on affected systems. The flaw, tracked as CVE-2025-66476, affects Vim versions earlier than 9.1.1947 and received a high severity rating due to its serious implications for Windows users. Attribute Details CVE ID CVE-2025-66476 Product Vim for…
-
Microsoft Silently Fixes 8-Year Windows Security Flaw
The flaw, tracked as CVE-2025-9491, allowed cybercriminals to hide malicious commands from users inspecting files through Windows’ standard interface. The post Microsoft Silently Fixes 8-Year Windows Security Flaw appeared first on TechRepublic. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/news-microsoft-fixes-security-flaw/
-
Malicious VSCode Extension Deploys Anivia Loader and OctoRAT
In late November 2025, a sophisticated supply-chain attack leveraging the Visual Studio Code extension ecosystem came to light, demonstrating how threat actors are increasingly targeting developer tools to gain persistent access to high-value systems. On November 21, a malicious extension masquerading as the popular Prettier code formatter appeared briefly on the official VSCode Marketplace before…
-
Hackers Actively Exploit New Windows LNK 0-Day Vulnerability
A newly discovered security flaw in Windows shortcut files is being actively used by hackers to target diplomatic organisations. The vulnerability allows attackers to conceal malicious commands within shortcut files (.lnk), making them invisible to users. The Discovery and Initial Rejection The issue was first highlighted in March 2025 by researchers at Trend Micro. They…
-
Admins and defenders gird themselves against maximum-severity server vuln
Open source React executes malicious code with malformed HTML”, no authentication needed. First seen on arstechnica.com Jump to article: arstechnica.com/security/2025/12/admins-and-defenders-gird-themselves-against-maximum-severity-server-vulnerability/
-
RCE flaw in OpenAI’s Codex CLI highlights new risks to dev environments
Tags: access, ai, api, attack, automation, backdoor, cloud, exploit, flaw, google, malicious, open-source, openai, rce, remote-code-execution, risk, service, tool, vulnerabilityMultiple attack vectors: For this flaw to be exploited, the victim needs to clone the repository and run Codex on it and an attacker needs to have commit access to the repo or have their malicious pull request accepted.”Compromised templates, starter repos, or popular open-source projects can weaponize many downstream consumers with a single commit,”…
-
Admins and defenders gird themselves against maximum-severity server vulnerability
Open source React executes malicious code with malformed HTML”, no authentication needed. First seen on arstechnica.com Jump to article: arstechnica.com/security/2025/12/admins-and-defenders-gird-themselves-against-maximum-severity-server-vulnerability/