Curated Cyber Threat Intelligence

Threat Feed

Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.

scheduleUpdated 2026-07-21 · 02:09 UTC
articleTotal: 606 reports
Cyber Threat Daily Brief — July 21, 2026satellite_altDaily Brief
Threat Intel Brief·Daily Summary

Cyber Threat Daily Brief — July 21, 2026

Today's briefing: 3 critical and 16 high-severity threats. A total of 23 detailed analyses covering vulnerabilities, threat actors, and geopolitical context.

3 Critical16 High23 analyses
schedule02:09 UTC
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Latest Reports

6 / 606 results
Fortinet FortiCloud SSO auth bypass under active exploitationcriticalbug_reportVulnerability
bug_reportVulnerability

Fortinet FortiCloud SSO auth bypass under active exploitation

Fortinet FortiCloud SSO SAML authentication processing (CVE-2025-59718, CVE-2025-59719). Affects management interfaces of FortiGate and potentially other Fortinet products using FortiCloud SSO.

CVE-2025-5971814:41 UTC
Cisco Secure Email Gateway critical flaw unpatched, check for compromisecriticalbug_reportVulnerability
bug_reportVulnerability

Cisco Secure Email Gateway critical flaw unpatched, check for compromise

Cisco Secure Email Gateway and Cisco Secure Email and Web Manager. Specific affected versions not provided in advisory summary. No patch available as of December 17, 2025.

Cisco09:08 UTC
React Server Components RCE flaw enables unauthenticated remote executioncriticalbug_reportVulnerability
bug_reportVulnerability

React Server Components RCE flaw enables unauthenticated remote execution

React Server Components and integrating frameworks (e.g., Next.js, Remix). All versions using React Server Components are potentially affected until patched.

Meta13:50 UTC
Microsoft patches critical WSUS RCE flaw with public PoC exploitcriticalbug_reportVulnerability
bug_reportVulnerability

Microsoft patches critical WSUS RCE flaw with public PoC exploit

Windows Server Update Service (WSUS) on Windows Server. Specific versions not disclosed in out-of-band update. Affects organizations running WSUS infrastructure for Windows update management.

Microsoft16:42 UTC
Fortinet patches high severity FortiOS vulnerabilityhighbug_reportVulnerability
bug_reportVulnerability

Fortinet patches high severity FortiOS vulnerability

FortiOS (specific versions not disclosed in summary). Fortinet advisory published October 14, 2025.

Fortinet18:41 UTC
Ransomware Campaigns Target Slovenia via Email, RDP, and Exploitshighperson_alertThreat Actor
person_alertThreat Actor

Ransomware Campaigns Target Slovenia via Email, RDP, and Exploits

Unattributed ransomware operators targeting Slovenia. Motivation appears financially driven, consistent with commodity ransomware campaigns. No specific actor attribution available; likely represents multiple threat groups employing common ransomware…

SI-CERT (Slovenia)08:32 UTC