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GBHackers

20 articles

GBHackers Vulnerability Disclosure Apache May 21

Apache OFBiz RCE Flaw Abuses Password-Change Restrictions for Authentication Bypass

A critical authentication bypass vulnerability in Apache OFBiz allows attackers to hijack forced password-change flows and achieve remote code execution (RCE...

T1190 T1556

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GBHackers Zero-Day Microsoft May 21

Microsoft Defender Zero-Day Vulnerabilities Actively Exploited in the Wild

Microsoft has disclosed two new zero-day vulnerabilities in Microsoft Defender that are actively being exploited in the wild, raising concerns among security...

2 IOCs

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GBHackers General May 21

Discord Enables End-to-End Encryption by Default Across Voice and Video Features

Discord has officially enabled end-to-end encryption (E2EE) by default for all voice and video communications across its platform, marking a significant shif...

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GBHackers Advisory Microsoft Google Apple Amazon Linux May 21

Google Chrome Security Flaws Could Let Attackers Execute Code Remotely

Google has released a critical security update for its Chrome browser, addressing multiple vulnerabilities that could allow attackers to execute arbitrary co...

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GBHackers TTPs Microsoft May 21

Fake Microsoft Teams Downloads Spread ValleyRAT Malware

Hackers are actively distributing a sophisticated ValleyRAT malware variant through fake Microsoft Teams download pages, leveraging social engineering and mu...

T1204

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GBHackers Campaigns Intel May 21

TamperedChef Malware Hides in Signed Apps to Drop Stealers and RATs

A large-scale malware campaign dubbed “TamperedChef” is leveraging trojanized productivity applications such as PDF editors, calendar tools, and file convert...

GBHackers →

GBHackers Zero-Day F5 May 21

New NGINX 0-Day RCE “nginx-poolslip” Threatens Millions of Servers

A newly discovered zero-day vulnerability in NGINX, dubbed “nginx-poolslip,” is raising serious concerns across the global cybersecurity community, as it exp...

T1190

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GBHackers CVE Cisco May 21

Critical Vulnerability in Cisco Secure Workload Threatens Enterprise API Security

Cisco has disclosed a critical security vulnerability in its Secure Workload platform that could allow unauthenticated attackers to gain high-level administr...

1 IOC

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GBHackers Campaigns May 21

Fake Invitation Phishing Campaign Steals Credentials From U.S. Organizations

A large-scale phishing campaign leveraging fake event invitations is actively targeting U.S.

T1566 T1078

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GBHackers Phishing May 21

Indian Student Data Weaponized in Phishing and Financial Fraud Campaigns

A growing trend in India where student data is increasingly being exploited for cybercrime activities, including phishing, impersonation, social engineering,...

T1566 T1204

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GBHackers Vulnerability Disclosure Drupal May 21

Critical Drupal Vulnerability Could Leave Sites Open to Cyberattack

The Drupal Security Team has issued a warning about a highly critical vulnerability affecting Drupal core, with a security release scheduled for May 20, 2026...

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GBHackers Campaigns May 21

Mini Shai-Hulud Hits @antv npm Packages, Targets CI/CD Secrets

An Active and sophisticated supply chain attack targeting the widely used @antv npm ecosystem, where a threat actor compromised a maintainer account and push...

T1195

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GBHackers CVE Linux May 21

Nine-Year-Old Kernel Flaw Puts Linux SSH Private Keys at Risk

A newly disclosed Linux kernel vulnerability, tracked as CVE-2026-46333, poses a serious risk to SSH private keys and other sensitive credentials. The flaw, ...

1 IOC

GBHackers →

GBHackers Campaigns Google Kubernetes May 21

P2PInfect Botnet Targets Kubernetes via Exposed Redis

A persistent P2Pinfect botnet campaign targeting Google Kubernetes Engine (GKE) clusters through exposed Redis instances, highlighting how a single cloud mis...

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GBHackers General May 21

Two U.S. Executives Plead Guilty in India-Based Tech Support Fraud Schemes

Two U.S.

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GBHackers Malware Microsoft May 21

BadIIS Malware Hijacks IIS Servers to Redirect Users to Illicit Sites

A new variant of the BadIIS malware that hijacks Microsoft IIS web servers to redirect users to illicit websites, highlighting an evolving malware-as-a-servi...

T1588

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GBHackers Vulnerability Disclosure Linux May 21

PoC Released for PinTheft Linux Flaw Enabling Root Privilege Escalation

A public proof-of-concept (PoC) exploit called “PinTheft” has been released for a newly disclosed Linux kernel flaw that allows local attackers to escalate p...

T1548 T1068

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GBHackers Ransomware May 21

WantToCry Ransomware Exploits SMB to Encrypt Remote Files

A new ransomware campaign named “WantToCry” that leverages exposed Server Message Block (SMB) services to gain access and encrypt victim data without deployi...

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GBHackers General Microsoft May 21

New GhostTree Attack Causes EDR Tools to Hang, Leaving Files Unscanned

A newly disclosed attack technique dubbed “GhostTree” is raising concerns among defenders after researchers demonstrated how it can disrupt endpoint detectio...

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GBHackers General May 21

Claude Code Sandbox Flaw May Compromise User Secrets

A newly disclosed security flaw in Anthropic’s Claude Code platform has exposed a critical weakness in its network sandbox, potentially allowing attackers to...

T1041

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