Exploits

CVE-2026-59346: VMware VMXNET3 PoC

PoC Released for Critical VMware VMXNET3 Integer Overflow Flaw Enabling Guest-to-Host Code Execution (CVE-2026-59346)

The CyberSec Guru

CVE-2026-59346 affects VMware VMXNET3 and enables guest-to-host memory corruption. A public PoC crashes vmware-vmx. Patch Workstation and Fusion now

CVE-2026-21589: Critical Atlassian Flaw Exposes Sensitive Files

Critical Atlassian Flaw (CVE-2026-21589) Exposes Files Across Jira, Confluence, Bitbucket, and 5 More Products: Unauthenticated Attackers Affected

The CyberSec Guru

CVE-2026-21589 is a critical Atlassian path traversal flaw rated CVSS 9.3. Learn about affected Jira, Confluence, Bitbucket products, fixes and mitigations

CVE-2026-96940: Microsoft Exchange Flaw Lets Attackers Read Mailboxes

Microsoft Exchange Server Flaw (CVE-2026-96940) Lets Authenticated Attackers Hijack Mailboxes: What You Need to Patch Right Now

The CyberSec Guru

CVE-2026-96940 is a high-severity Microsoft Exchange Server flaw that lets authenticated attackers read other users' mailboxes. See affected versions and patches

libheif Vulnerability HEIC Image RCE in WordPress

Malicious HEIC Images Can Trigger Remote Code Execution on WordPress Servers: A Deep Dive into the libheif Exploit Chain

The CyberSec Guru

A critical libheif vulnerability can turn malicious HEIC uploads into code execution. Learn how the WordPress RCE chain works and how to mitigate it

Critical GitLab AI Gateway vulnerability (CVE-2026-90970) enables remote code execution on self-hosted servers

The CyberSec Guru

GitLab CVE-2026-90970 is a critical 9.9 AI Gateway sandbox escape affecting self-hosted deployments. Check affected versions and patches

CVE-2026-104286 FortiMail Zero-Day Actively Exploited

Critical Fortinet FortiMail Zero-Day (CVE-2026-104286) Actively Exploited: Unauthenticated File Write Flaw Exposes Email Security Gateways Worldwide

The CyberSec Guru

CVE-2026-104286 is an actively exploited FortiMail zero-day allowing unauthenticated arbitrary file writes. See affected versions, IOCs and fixes

Critical PostgreSQL Flaw ‘PostGREShell’ (CVE-2026-6471) Enables Remote Code Execution: Complete Technical Breakdown and Remediation

The CyberSec Guru

CVE-2026-6471, dubbed PostGREShell, lets PostgreSQL replication users load unauthorized libraries and execute code. Learn the exploit and fix

TP-Link Archer AX55 vulnerabilities

Critical TP-Link Archer AX55 Vulnerabilities Expose Routers to RCE and Credential Theft: Full Technical Analysis and Patch Guide

The CyberSec Guru

TP-Link Archer AX55 V4 is affected by CVE-2026-18167 and CVE-2026-18330. Learn about the RCE, credential theft risks and firmware fix

CVE-2026-72898

CVE-2026-72898: Critical Metabase SQL Injection Is Being Actively Exploited, Allowing Unauthenticated Admin Takeover

The CyberSec Guru

CVE-2026-72898 is a critical Metabase SQL injection flaw actively exploited in the wild. Learn affected versions, attack path, impact, detection and mitigation

MariaDB 13.0.1-rc RCE

Researcher Demonstrates Authenticated RCE Against MariaDB 13.0.1-rc, Technical Details Remain Undisclosed

The CyberSec Guru

A researcher has demonstrated an authenticated RCE against MariaDB 13.0.1-rc. We analyze the exploit, confirmed findings, security impact, and mitigation guidance