Daily brief

Cybersecurity Daily Brief — 2026-09-15

52 stories reviewed · 3 critical

Summary

52 stories tracked in the last 24 hours, 3 rated critical.

Leading items

  • Maximum Severity GitLab Flaw Puts Supply Chains at Risk — Dark Reading
  • Cisco Secure Email Gateway Flaw Exploited in the Wild, Enables Root Command Execution — The Hacker News
  • Root RCE Zero-Day in Cisco Secure Email Gateway Under Active Exploitation — SecurityWeek

Every item below links to its original source. Times are UTC.

Technical analysis

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