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Security News, Assessments & Alerts Page 17

Security News, Assessments & Alerts

Security Issues, Vulnerabilities, Exploits & Government Alerts

Dutch Authorities Dismantle Botnet Linked to 17 Million Infected Devices

Dutch Authorities Dismantle Botnet Linked to 17 Million Infected Devices

Ravie LakshmananMay 31, 2026IoT Security / Network Security 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.… 

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

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

Ravie LakshmananMay 30, 2026Vulnerability / Network Security 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… 

ChatGPhish Vulnerability Turns ChatGPT Web Summaries Into a Phishing Surface

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… 

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

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

Ravie LakshmananMay 29, 2026Vulnerability / Artificial Intelligence 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… 

New Russian-Linked GREYVIBE Targets Ukraine with AI-Powered Cyberattacks

New Russian-Linked GREYVIBE Targets Ukraine with AI-Powered Cyberattacks

Ravie LakshmananMay 29, 2026Cyber Espionage / Artificial Intelligence 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… 

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

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.… 

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

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,… 

Critical Gogs RCE Vulnerability Lets Any Authenticated User Execute Arbitrary Code

Critical Gogs RCE Vulnerability Lets Any Authenticated User Execute Arbitrary Code

Ravie LakshmananMay 28, 2026Vulnerability / Open Source 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…