hardening — Cybersecurity News

Microsoft Patches SharePoint RCE Flaw CVE-2026-45659 Across Server Versions

RedSide Security May 27, 2026 CVE 119 views

PoC Exploit Released for 20-Year Old PostgreSQL RCE Vulnerability

RedSide Security May 20, 2026 Vulnerability 90 views

A public proof-of-concept (PoC) exploit has been released for **CVE-2026-2005**, a critical remote code execution vulnerability in PostgreSQL’s **pgcrypto extension**. The flaw stems from a long-standing heap-based buffer overflow in PGP session key parsing and can allow attackers to escalate privileges to PostgreSQL superuser and execute operating system commands under certain conditions.

NGINX CVE-2026-42945 Exploited in the Wild, Causing Worker Crashes and Possible RCE

RedSide Security May 17, 2026 CVE 90 views

A critical NGINX vulnerability tracked as CVE-2026-42945 is now being actively exploited in the wild, just days after public disclosure. The flaw allows attackers to crash NGINX worker processes and potentially achieve remote code execution under specific conditions. At the same time, threat actors have also begun weaponizing multiple critical vulnerabilities in openDCIM to deploy PHP web shells and gain remote access to exposed systems.

First Public macOS Kernel Exploit on Apple M5 Prepared Using Mythos Preview in Five Days

RedSide Security May 17, 2026 Vulnerability 201 views

Security researchers have reportedly developed the first public macOS kernel exploit targeting Apple’s new M5 silicon, successfully bypassing the company’s hardware-based Memory Integrity Enforcement (MIE) protections. The exploit chain achieves full root access on macOS 26.4.1 using only standard system calls from an unprivileged local account, highlighting the growing impact of AI-assisted offensive security research.