Synthex

Vulnerabilities and Exploits

Vulnerability Analysis: CVE-2026-116366 ClickHouse Server – Brotli v1.2.0 Decoder DoS/OOB-Write

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CVE-2026-116366

Introduction ClickHouse is a widely deployed, high-performance columnar database management system designed for online analytical processing (OLAP). To maintain its exceptional read and write speeds, ClickHouse relies heavily on efficient data compression algorithms, including Google’s Brotli library. CVE-2026-116366 represents a critical security flaw in how ClickHouse handles incoming Brotli-compressed payloads. This vulnerability exposes affected servers to unauthenticated Remote Code Execution (RCE) and Denial of

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Vulnerabilities and Exploits

Vulnerability Analysis: CVE-2026-111497 Critical out-of-bounds write in the Node.js Brotli decoder

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CVE-2026-111497

Introduction In modern web architectures, data compression plays a pivotal role in reducing network bandwidth consumption, optimizing server response times, and accelerating overall web content delivery across distributed networks. Brotli—a popular lossless data compression algorithm originally developed by Google—has quickly established itself as a ubiquitous open-source standard widely integrated across major web browsers, edge reverse proxies, content delivery networks (CDNs), and backend server

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Vulnerabilities and Exploits

Vulnerability Analysis: CVE-2026-116067 Paisa < 0.7.8 – Unauthenticated Path Traversal

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CVE-2026-116067

Introduction In modern web applications, handling file paths securely is a critical requirement. When input fields accept file paths or file names directly without adequate validation, software can become susceptible to Directory Traversal (Path Traversal) flaws. CVE-2026-116067 represents a high-severity Path Traversal vulnerability discovered in Paisa—a popular open-source, self-hosted personal finance tracking application designed to help users manage their ledgers, budgets, and investments. Self-hosted financial

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Vulnerabilities and Exploits

Vulnerability Analysis: CVE-2026-109618 & CVE-2026-109619 Critical Unauthenticated Remote Code Execution in PHP

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Introduction CVE-2026-109618 and CVE-2026-109619 represent one of the most critical security emergencies in recent PHP history, threatening millions of active web servers globally. Highlighting the fundamental dangers of memory management flaws within persistent web server worker environments—such as PHP-FPM or Apache mod_php—these vulnerabilities enable unauthenticated remote attackers to execute arbitrary system commands with the privilege level of the

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Vulnerabilities and Exploits

Vulnerability Analysis CVE-2026-21589 Atlassian Jira/Confluence/Bitbucket – Pre-Auth Arbitrary File Read

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CVE-2026-21589

Introduction In October 2026, Atlassian issued an emergency security advisory disclosing CVE-2026-21589, a critical unauthenticated arbitrary file access vulnerability affecting its core self-hosted product suite. Assigned a CVSSv4 score of 9.3 (Critical), this security flaw allows unauthenticated remote threat actors to read arbitrary files directly from target system directories. Unauthenticated arbitrary file read vulnerabilities represent a severe risk to enterprise infrastructure because

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Vulnerabilities and Exploits

Vulnerability Analysis CVE-2026-76504 Cisco Catalyst SD-WAN Manager – Authentication Bypass

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CVE-2026-76504 Cisco Catalyst SD-WAN Manager - Authentication Bypass

Introduction Centralized management platforms serve as the core control plane for modern enterprise network architectures, providing a single pane of glass for multi-cloud and wide-area network management. Cisco Catalyst SD-WAN Manager (formerly known as vManage) enables network administrators to configure, monitor, automate, and orchestrate complex enterprise wide-area networks across global deployments from a unified web interface. Because this platform possesses full administrative authority

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Vulnerabilities and Exploits

Vulnerability Analysis CVE-2026-87902 WordPress Core – PHP Template Path Traversal

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CVE-2026-87902 WordPress Core - PHP Template Path Traversal

Introduction The global cybersecurity community witnessed a significant shift in threat metrics when a severe, unauthenticated security flaw within WordPress Core was disclosed. Designated as CVE-2026-87902, this critical flaw impacts tens of millions of active web applications dependent on the open-source Content Management System (CMS). Assigning it a CVSS v4.0 rating of 9.2 (Critical), security threat intelligence teams flagged the vulnerability for its

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Vulnerabilities and Exploits

Vulnerability Analysis: CVE-2026-12227 Visual Composer <= 45.16.0 – Unauthenticated LFI

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CVE-2026-12227

Introduction In the landscape of web application security, WordPress plugins are frequently targeted due to their widespread deployment. The Visual Composer Website Builder, a highly popular page builder plugin for WordPress, was found to contain a critical security flaw designated as CVE-2026-12227. This vulnerability, affecting versions up to and including 45.16.0, allows unauthenticated attackers to exploit a Local File Inclusion (LFI) vulnerability. Due to its

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Vulnerabilities and Exploits

Vulnerability Analysis: Proxmox VE – Default Credentials with TFA Bypass (CVE-2023-54391)

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Proxmox VE - Default Credentials with TFA Bypass (CVE-2023-54391)

Introduction CVE-2023-54391 represents a critical pre-authentication authentication bypass vulnerability in Proxmox Virtual Environment (PVE). Operating at a CVSS 3.1 score of 9.8 (Critical), this security flaw allows unauthenticated remote attackers to completely bypass standard password authentication mechanisms. By manipulating parameters in the login API endpoint, an attacker can gain full superuser (root@pam) access to the underlying hypervisor management plane without knowing the victim

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Vulnerabilities and Exploits

Vulnerability Analysis: CVE-2026-82329 JFrog Artifactory Access Authentication Bypass

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CVE-2026-82329 JFrog Artifactory Access Blank Join Key Authentication Bypass

Introduction JFrog Artifactory serves as a central pillar in modern software engineering, providing universal artifact management across continuous integration and continuous delivery (CI/CD) pipelines. Given its privileged position—storing sensitive binaries, container images, AI models, and proprietary source code dependencies—a breach within Artifactory poses significant supply chain risks to global digital infrastructure. Disclosed in late August 2026, CVE-2026-82329 represents a critical security flaw rated 9.8 (Critical) under CVSS

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