The PHP security team published an advance notice on October 20, 2026 for a release at 14:00 UTC on October 21 that fixes two vulnerabilities, each rated CVSS v4.0 9.2. watchTowr reports them as two possible remote code execution flaws, CVE-2026-109618 and CVE-2026-109619. Its report is unverified, and PHP has not confirmed the identifier…
Researchers describe WP2Shell, a chain of two WordPress core flaws, CVE-2026-63030 and CVE-2026-60137, that lets unauthenticated attackers progress from public REST API endpoints to remote code execution. It affects default installations with no third-party plugin required. Public exploit code exists and exploitation attempts have been ob…
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 compromised application credentials from ConnectWise Cloud Backup (formerly SkyKick) to access Microsoft 365 customer environments. Huntress researcher Jonathan Semon confirmed unauthorized sign-ins across 162 tenants as of 19:00 UTC on October 16. ConnectWise disabled application access, which interrupted backup services, …
Drupal published an advisory on October 14, 2026 for CVE-2026-108097, a critical remote code execution vulnerability in the Field UI module (fieldui) of Drupal core. The advisory gives it a risk score of 19/25, with basic attack complexity, no authentication required, and full confidentiality and integrity impact. Drupal core alone is not…