Briefings — Page 10 • 110 Reports

Cisco Patches Actively Exploited Secure Email Gateway Zero-Day CVE-2026-76461

Cisco issued emergency updates for an actively exploited zero-day vulnerability, CVE-2026-76461, in AsyncOS for Cisco Secure Email Gateway that allows unauthenticated remote attackers to execute arbitrary commands with root privileges via crafted email parsing.

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Red Heron Exploits Gitea RCE Flaw CVE-2026-60004 to Deploy Stealth Linux Rootkit

Suspected China-aligned threat actor Red Heron exploited a critical Gitea remote code execution vulnerability (CVE-2026-60004) to compromise 13 organizations across six countries, deploying the JITTERLY implant and SIXZUT LD_PRELOAD rootkit for long-term persistence.

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Attackers Abuse Passkey Lures to Hijack Microsoft Cloud Accounts and Exfiltrate Data

Threat actors Storm-3032 and Storm-3121 are deploying targeted voice and SMS phishing lures themed around passkey enrollment to guide enterprise targets through AitM and OAuth device-code flows, registering rogue MFA methods in Entra ID to harvest data via Microsoft Graph APIs.

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Threat Clusters Abused Claude for Automated Exploitation and Secrets Harvesting

Anthropic revealed that extortion collective ShinyHunters, Russian APT Midnight Blizzard, and Chinese group GTG-10007 weaponized Claude agents to mass-harvest secrets from 1.8M Android apps, automate malware obfuscation loops, and orchestrate rapid cloud intrusions.

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