Security Brief Daily

May 30, 2026 · #72


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Episode 72

Security Brief Daily | 30 May 2026

In This Episode
  • PAN-OS GlobalProtect Authentication Bypass (CVE-2026-0257) Under Active ExploitationThe Hacker News
    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 as CVE-2026-0257 (CVSS score: 7.8), refers to a case of authentication bypass...
  • California AG sues 23andMe over 2023 breach exposing health dataBleeping Computer
    California Attorney General Rob Bonta filed a lawsuit against 23andMe, now Chrome Holding Co., over the company’s failure to protect sensitive customer genetic and personal information. Improper security led to a high-profile data breach in 2023 that exposed the sensitive...
  • New Gogs zero-day flaw lets hackers get remote code executionBleeping Computer
    An unpatched zero-day vulnerability in the Gogs self-hosted Git service can allow attackers to gain remote code execution (RCE) on Internet-facing instances. Designed as an alternative to GitHub Enterprise or GitLab and written in Go, Gogs is often exposed online for remote...
  • ChatGPT share links abused to host fake outage pages to deliver malwareBleeping Computer
    Threat actors are abusing ChatGPT's content-sharing feature to display fake OpenAI outage pages that direct users to download malware disguised as the ChatGPT desktop application. The "LLMShare" campaign, discovered by Push Security , uses Google ads to direct users searching...
  • Hackers exploit FortiClient EMS flaw to push infostealer malwareBleeping Computer
    Hackers are exploiting an authentication bypass vulnerability (CVE-2026-35616) in FortiClient Enterprise Management Server (EMS) to deliver an undocumented credential stealer called EKZ. The attacker disguised the malware as an update for Fortinet endpoints and executed it...
  • Attackers Use LLM Agent for Post-Exploitation After Marimo CVE-2026-39987 ExploitThe Hacker News
    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 Marimo network using a recently disclosed vulnerability. "The attacker...
  • New Russia-Linked GREYVIBE Targets Ukraine with AI-Powered CyberattacksThe Hacker News
    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...
  • Threat Actors Exploit Critical FortiClient EMS Flaw to Deploy Credential StealerThe Hacker News
    Threat actors are continuing to exploit a critical, now-patched security flaw impacting FortiClient Endpoint Management Server (EMS) deployments to deliver credential-stealing malware. "The campaign abused trusted endpoint management infrastructure to deliver malware across...
  • Security Brief Daily is an AI-generated cybersecurity news podcast. Always verify critical information with primary sources.

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