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101–110 of 621 articles
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Bleeping Computer
A ransomware gang exploited the critical React2Shell vulnerability (CVE-2025-55182) to gain initial access to corporate networks and deployed the file-encrypting malware less than a minute later. [...]
The Hacker News
The security vulnerability known as React2Shell is being exploited by threat actors to deliver malware families like KSwapDoor and ZnDoor, according to findings from Palo Alto Networks Unit 42 and NTT Security. "KSwapDoor is a professionally engineered remote access tool designed with stealth in mind," Justin Moore, senior manager of threat intel research at Palo Alto Networks Unit 42, said in a
The Register
Who hasn't exploited this max-severity flaw? At least five more Chinese spy crews, Iran-linked goons, and financially motivated criminals are now attacking the React2Shell, a maximum-severity flaw in the widely used React JavaScript library, according to Google.…
Bleeping Computer
Over the weekend, Google's threat intelligence team linked five more Chinese hacking groups to attacks exploiting the maximum-severity "React2Shell" remote code execution vulnerability. [...]
Dark Reading
As exploitation activity against CVE-2025-55182, researchers are finding some proof-of-concept exploits contain bypasses for Web application firewall (WAF) rules.
The Hacker News
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has urged federal agencies to patch the recent React2Shell vulnerability by December 12, 2025, amid reports of widespread exploitation. The critical vulnerability, tracked as CVE-2025-55182 (CVSS score: 10.0), affects the React Server Components (RSC) Flight protocol. The underlying cause of the issue is an unsafe deserialization
The Hacker News
React2Shell continues to witness heavy exploitation, with threat actors leveraging the maximum-severity security flaw in React Server Components (RSC) to deliver cryptocurrency miners and an array of previously undocumented malware families, according to new findings from Huntress. This includes a Linux backdoor called PeerBlight, a reverse proxy tunnel named CowTunnel, and a Go-based
Bleeping Computer
Microsoft says Windows PowerShell now warns when running scripts that use the Invoke-WebRequest cmdlet to download web content, aiming to prevent potentially risky code from executing. [...]
The Hacker News
Threat actors with ties to North Korea have likely become the latest to exploit the recently disclosed critical security React2Shell flaw in React Server Components (RSC) to deliver a previously undocumented remote access trojan dubbed EtherRAT. "EtherRAT leverages Ethereum smart contracts for command-and-control (C2) resolution, deploys five independent Linux persistence mechanisms, and
Bleeping Computer
A new malware implant called EtherRAT, deployed in a recent React2Shell attack, runs five separate Linux persistence mechanisms and leverages Ethereum smart contracts for communication with the attacker. [...]