Critical GitHub RCE Vulnerability CVE-2026-3854 Exposed Millions of Repositories to Cross-Tenant Access
Wiz researchers used AI-augmented reverse engineering to uncover CVE-2026-3854, a critical RCE flaw in GitHub's internal git infrastructure that could have enabled any authenticated user to execute code...
Critical Fortinet FortiClient EMS Zero-Day CVE-2026-35616 Exploited Before Official Patch Was Released
A critical SQL injection zero-day in Fortinet's FortiClient EMS (CVE-2026-35616) is being actively exploited in the wild. WatchTowr sensors detected attacks four days before Fortinet's advisory, with exploitation...
Cisco Patches Four Critical Flaws in Identity Services Engine and Webex: Unauthenticated RCE and Full User Impersonation at Risk
Cisco has patched four critical vulnerabilities in Identity Services Engine (ISE) and Webex, including an unauthenticated remote code execution flaw in ISE and an authentication bypass in Webex...
CISA Adds Apache ActiveMQ CVE-2026-34197 to KEV Catalog as Active Exploitation Surges
CISA has added CVE-2026-34197, a high-severity (CVSS 8.8) deserialization flaw in Apache ActiveMQ Classic, to its Known Exploited Vulnerabilities catalog after active exploitation was detected within 48 hours...
Critical Marimo Python Notebook Zero-Day (CVE-2026-39987) Exploited Within 10 Hours of Disclosure
A critical pre-authentication RCE vulnerability (CVE-2026-39987, CVSS 9.3) in the popular Marimo Python notebook platform was weaponised within 10 hours of public disclosure. Attackers are actively harvesting credentials,...
CVE-2026-39987: Critical Marimo Python Notebook RCE Exploited Within 10 Hours of Disclosure
A pre-authentication remote code execution flaw (CVSS 9.3) in the Marimo Python notebook framework was weaponized by attackers within just 10 hours of public disclosure. The vulnerability allows...