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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

More from The Hacker News 30 May 2026, 2:39 a.m. Incident · 4 stories Actively exploited CVE-2026-39987 CVE Cloud Compromise Credentials Disclosure Exploit Initial Access Threat Actor Vulnerability

Suspected state-sponsored hackers have been exploiting a zero-day vulnerability in Palo Alto Networks firewalls tracked as CVE-2024-3400 since March 26, using the compromised devices to breach internal networks, steal data and credentials. [...]

More from Bleeping Computer 14 Apr 2024, 12:35 a.m. Actively exploited CVE-2024-3400 0-Day Backdoor Breach CVE Compromise Credentials Firewalls Nation State Palo Alto Networks Theft Vulnerability