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Three Bugs Walk Into a PDF: Prototype Pollution, Served Cold

# Three Bugs Walk Into a PDF: Prototype Pollution, Served Cold **Table of Contents** ## TL;DR In April 2026, Adobe disclosed three critical security issues (CVE-2026-34621,CVE-2026-34622,CVE-2026-34626) affecting Acrobat DC, Acrobat Reader DC, and Acrobat 2024. According to Adobe’s advisories, these vulnerabilities could allow attackers to execute arbitrary code and leak […]

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Carrot disclosure: Forgejo

Since Fedora moved from Pagure to Forgejo, I finally had an incentive to take a good look at Forgejo’s security posture. The results aren’t pretty to be honest: SSRF in a lot of places, no CSP/Truste-Types, a bit of ghetto templating in javascript, cryptographic malpractices, overlooks in the authentication mechanisms […]

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VECT: Ransomware by design, Wiper by accident

`–fast,` `–medium, and` `–secureflags present across` **VECT Ransomware** is a Ransomware-as-a-Service (RaaS) program that made its first appearance in December 2025 on a Russian-language cybercrime forum. After claiming their first two victims in January 2026, the group got back into the public eye due to an announcement of a partnership […]

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Bypassing Windows authentication reflection mitigations for SYSTEM shells – Part 1

# Bypassing Windows authentication reflection mitigations for SYSTEM shells – Part 1 A year ago, authentication reflection vulnerabilities resurfaced as a powerful attack vector through the discovery of CVE-2025-33073 by several security researchers, including us. This logical vulnerability allowed taking over almost any Windows machine without any user interaction. Following […]

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Goodbye Secure Pool, Hello KDP Pool

Kernel Data Protection (KDP) is a Windows 11 VBS feature that allows drivers to protect their data from being modified by other kernel drivers or malware that achieved kernel write access. It actually contains two separate features: static and dynamic KDP. Static KDP, that allows drivers to enforce read-only protection […]

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Say hi to Pike!

# Say hi to Pike! In this article we will introduce Pike, an experimental LLM agent that generates and analyzes Linux program execution traces. We will show that with its simple architecture paired with a good LLM, Pike can quickly help debug a crash, identify malware, or give valuable high […]

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Responsible disclosure report: 180 vulnerabilities in Samsung preinstalled apps

# Responsible disclosure report: 180 vulnerabilities in Samsung preinstalled apps Over three years of security research into Samsung’s preinstalled system applications, Oversecured identified 180 vulnerabilities — the largest single mobile security disclosure in history. All issues were responsibly disclosed and patched by Samsung. ## The problem ### The unmapped attack […]

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