HIGH/ OCTOBER 21, 2026TODAY’S BRIEFING — #215
eMudhra CA compromise, FortiSIEM RCE PoC, PHP emergency patches
eMudhra CA private keys compromised and revoked by browser makers; FortiSIEM critical RCE PoC released; PHP emergency patches imminent; Qilin and INC ransomware groups actively exploiting Palo Alto MFA bypass.
CVE-2026-106173Fortinet FortiSIEM — Critical path traversal RCE; public PoC exploit released; CVSS 9.4CVE-2026-0257Paloaltonetworks Pan-Os — Authentication bypass enabling MFA circumvention; actively exploited by Qilin and INC ransomware; CVSS 7.8
Read the full briefing →