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Microsoft Threat Intelligence reports active exploitation of CVE-2026-73570, a command injection flaw in Zimbra Collaboration Suite that allows unauthenticated, zero-click compromise of internet-facing email servers. Attackers deployed webshells, escalated privileges, harvested authentication secrets and staged mailbox data across organiz…
Attackers used UpdraftCentral connection keys exposed in an October 17-18, 2026 breach of the TeamUpdraft website to send validly signed remote-management commands to WordPress sites running UpdraftPlus. The commands installed malicious plugins that give unauthorized access, and Wordfence also saw attempts to delete existing plugins. Team…
The PHP security team announced an out-of-cycle release for 14:00 UTC on October 21, 2026, fixing two vulnerabilities rated CVSS v4.0 9.2. The notice did not describe them. watchTowr says both allow remote code execution, and researchers are calling the pair php2shell, a name that is theirs, not PHP's. The notice followed an October 20 le…
Multiple ransomware groups, including Qilin and INC, are exploiting CVE-2026-0257, an authentication bypass in Palo Alto Networks PAN-OS GlobalProtect portals and gateways. Unit 42 has been investigating intrusions since early June across many sectors, including finance, healthcare and manufacturing. The flaw was patched on May 13 and ini…
