Daily News - DIESEC

GitLab GraphQL code injection vulnerability

By Editorial Team | August 27, 2026

A GitLab GraphQL code injection vulnerability is now under active exploitation, reproduced and attacked within minutes of GitLab’s August 17, 2026 disclosure of CVE-2026-19478. The unauthenticated flaw (CVSS 9.4) lets an attacker delete public projects, forge fake fix records, or lock out maintainers on any unpatched self-managed GitLab instance. GitLab.com and GitLab Dedicated were already…

Zimbra Command Injection Vulnerability Actively Exploited

By Editorial Team | August 26, 2026

A Zimbra command injection vulnerability is under active exploitation against on-premises mail servers; the CISA federal deadline already passed.

A Zimbra command injection vulnerability is under confirmed active exploitation against on-premises mail servers, and CISA’s federal remediation deadline of August 24 has already passed. Tracked as CVE-2026-73570, the flaw lets an unauthenticated attacker execute arbitrary shell commands on any unpatched Zimbra Collaboration Suite instance with SNMP notifications enabled — a configuration many administrators never…

Windows Defender Zero-Day Vulnerability Has No Patch

By Editorial Team | August 25, 2026

A Windows Defender zero-day vulnerability disclosed on August 12, 2026 lets a low-privileged local attacker bypass Microsoft’s own patch for an earlier Defender flaw and escalate straight to SYSTEM. Tracked as CVE-2026-69414 and nicknamed ShieldBreak, the flaw still has no fix ten days after Microsoft assigned the CVE. Any Windows endpoint running default Defender is…

Microsoft Entra ID RCE Vulnerability Exploited

By Editorial Team | August 24, 2026

A maximum-severity Microsoft Entra ID RCE vulnerability was already being exploited before Microsoft's August 20 disclosure, and no customer patch exists.

Microsoft disclosed a maximum-severity Microsoft Entra ID RCE vulnerability on August 20, 2026, and confirmed the flaw was already being exploited in the wild before the advisory went public. CVE-2026-69836 carries a CVSS score of 10.0, needs no authentication and no user interaction, and sits in the identity backbone underneath Microsoft 365, Azure AD sign-in,…

Medusa Ransomware 500 Victims — What the CISA Advisory Means

By Editorial Team | August 21, 2026

Medusa ransomware 500 victims: CISA, FBI and HHS updated their advisory Aug 18. What changed, who's at risk, and how to cut your exposure.

Medusa ransomware 500 victims is now the official U.S. federal tally: CISA, the FBI and the Department of Health and Human Services updated their joint advisory on August 18, 2026, confirming the ransomware-as-a-service group has breached more than 500 U.S. critical infrastructure organizations since June 2021 — up from the 300-plus figure in their original…