Cybersecurity briefing, 2026-08-13

Here is the briefing for August 13.

• Malicious LiteLLM Releases Leaked Cloud Secrets
• Gunra Shifts Ransomware to Perimeter Break-ins
• SharePoint JWT Flaw Is Being Exploited
• CISA Orders Two-Week Fix for Exploited Windows Bug
• Sandworm Used Private APN to Reach CHP Controls
• NetFoundry Survey Flags AI Control Gap
• City-Forum Reads Portal Data Through Guest Accounts
• vCenter Exploits Left Reverse SSH Footholds Behind
• CEVA Breach Exposes Steam and Retail Shipping Data
• Agent Guardrails Fail Before the Model Speaks
• Greatness Uses Microsoft Login Pages as Bait
• Helix Claims Uber Freight Mailbox Theft
• SonicWall GMS RCEs Hit Retired Management Platform
• 737 Chrome Extensions Routed Browsing Through One Proxy
• Armored Likho Steals Telegram Sessions for Espionage
• Zoom Fixes Four Annotation Flaws After Disclosure
• Ivanti Flags More Bugs From LLM-Assisted Review