Posts - Mehmet Ince @mdisec - Vulnerability Researcher | Building security products | Security Advisor | Amateur Muay Thai fighter
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Jan 1, 2026
The Story of a Perfect Exploit Chain: Six Bugs That Looked Harmless Until They Became Pre-Auth RCE in a Security Appliance
It was May 2024, and our internal security team was evaluating the LogPoint SIEM/SOAR platform to replace our existing platform, potentially. As part of a habit I’ve built over the years —and honestly, part of our 3rd party due diligence— I gave myself 24 hours to do what I always do with any technology we’re about to trust: try to break it.
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Dec 15, 2025
Inside PostHog: How SSRF, a ClickHouse SQL Escaping 0day, and Default PostgreSQL Credentials Formed an RCE Chain (ZDI-25-099, ZDI-25-097, ZDI-25-096)
It was yet another day at the office. Our team was internally discussing moving to a different platform analytics solution. Our team was really leaning more towards Posthog. It’s one of the brilliant -I personally believe it’s the best- products on the market. And that’s where the story has begun…
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Nov 7, 2025
The Chessboard of Security: Insights on Product Development and Vulnerabilities from a Hacker Perspective
I was playing a quick game of chess while waiting for my coffee this morning. I had the white pieces and, as always, was eager to make the most of my first-move advantage. Early in the game, I pushed a center pawn forward aggressively, hoping to gain more control of the board. But soon, I realized that this overextended pawn is going to be vulnerable! To protect it, I had to pull my knight back, sacrificing some of my momentum. Despite having the upper hand initially, I ended up settling for a draw.
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Oct 7, 2025
Digital Cosmos: A Journey Through the Galaxy of Vulnerabilities
Whenever I ponder the vastness of space and our limited ability to observe only the Milky Way, I am utterly fascinated. It took us thirty years to position the James Webb Telescope at the Lagrange point (L2), offering us a mere glimpse into events that unfolded millions of years ago.
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Dec 21, 2021
CVE-2021-3825 | LiderAhenk 0day – All your PARDUS Clients Belongs To Me
LiderAhenk is an open source software system that enables centralized management, monitoring and control of systems and users on the corporate network.
In this blog post, you will see how bad it can get when you have a critical security vulnerability on your centralized client management system.
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Sep 13, 2021
CVE-2021-3806 | Pardus 21 Linux Distro – Remote Code Execution 0day
A couple of days ago, I came up with news that Pardus will organize a report-bug contest. I love to contribute to open-source projects. So that was a pretty good chance to revisit one of my old friends, Pardus, and uncover security and/or privacy issues.
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Mar 21, 2021
CVE-2021-21425 | Unexpected Journey #7 – GravCMS Unauthenticated Arbitrary YAML Write/Update leads to Code Execution
It has been a while since I haven’t published a post on our beloved blog. Today I would like to share technical details and POC for a pretty funny vulnerability that I’ve found at GravCMS.
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Mar 18, 2020
Vesta Control Panel Second Order Remote Code Execution 0day Step-by-Step Analysis
I believe that doing a security research is all about trying to understand high-level of architecture of the products and finding a creative attack vectors.
I hope this blog post will show some the readers how to start doing security research.
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Sep 8, 2019
Why Secure Design Matters ? Secure Approach to Session Validation on Modern Frameworks (Django Solution)
I’ve been doing security researches on softwares for a quite long time. During these researchs, I often find myself in a situation where in I think about the state of mind of developers, problems that occur during developments and core problems of nature of software crafting teams. Thinking about these questions always lead me to realize possible software bugs.
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Dec 19, 2018
CVE-2018-20323 | MailCleaner Community Edition Remote Code Execution
In this article, I would like to share a remote code execution vulnerability details of MailCleaner Community Edition product.
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