Security Brief Daily

Jun 16, 2026 · #82


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Episode 82

Security Brief Daily | 16 Jun 2026

In This Episode
  • Cisco Releases Security Updates for Actively Exploited SD-WAN Manager FlawThe Hacker News
    Cisco has released security updates for a medium-severity security flaw in Catalyst SD-WAN Manager that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-20262, carries a CVSS score of 6.5 out of 10.0. "A vulnerability in the web UI of...
  • New attack turned Microsoft 365 Copilot into 1-click data theft toolBleeping Computer
    A critical vulnerability chain dubbed SearchLeak in Microsoft 365 Copilot Enterprise could allow attackers to steal sensitive data from a target's mailbox, OneDrive, or SharePoint account through a specially crafted URL. The exfiltrated information could be email content...
  • SimpleHelp bug lets hackers create rogue remote support accountsBleeping Computer
    A vulnerability in the SimpleHelp remote management software allows unauthenticated attackers to create privileged technician accounts on servers using the OpenID Connect (OIDC) authentication protocol. The flaw is tracked as CVE-2026-48558 and received a critical severity...
  • iRhythm discloses data breach, says hackers stole patient infoBleeping Computer
    Digital healthcare company iRhythm Holdings has disclosed a data breach after hackers stole patients' personal and health information stored on third-party-hosted business applications. The company says its cardiac monitoring service has been used to analyze more than 2...
  • OptinMonster WordPress plugin hacked in CDN supply-chain attackBleeping Computer
    WordPress plugins OptinMonster, TrustPulse, and PushEngage have been compromised in a supply-chain attack impacting Awesome Motive's content distribution network (CDN). Of the three products, the OptinMonster lead-generation and conversion optimization platform is the most...
  • CISA Flags LiteSpeed cPanel Plugin Flaw Exploited for Root Privilege EscalationThe Hacker News
    The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a security flaw impacting LiteSpeed cPanel Plugin to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to apply the fixes by June 18, 2026....
  • Fake Microsoft Alerts Used to Deploy North Korean NarwhalRAT MalwareThe Hacker News
    The North Korean state-sponsored hacking group known as ScarCruft (aka APT37) has been observed using spear-phishing messages impersonating Microsoft Account security notifications to deliver malware called NarwhalRAT. "The attack email contained a message impersonating an MS...
  • LiteLLM Vulnerability Chain Lets Low-Privilege Users Take Over AI Gateway ServersThe Hacker News
    A default low-privilege account on a LiteLLM proxy can climb to full admin and run code on the server by chaining three vulnerabilities, researchers at Obsidian Security disclosed LiteLLM is a widely deployed open-source AI gateway that brokers calls to more than 100 model...
  • Security Brief Daily is an AI-generated cybersecurity news podcast. Always verify critical information with primary sources.

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