Aliz Hammond

CitrixBleed To Infinity And Beyond (Citrix NetScaler Pre-Auth Memory Overread CVE-2026-8451)

Well, well, well - once again, the cat has dragged us in and spat us out. Today, we find ourselves questioning the reality we sit within. Must it be so predictable, and why us? “But watchTowr, what do you mean?” Well, if you’re here, you likely fit into one of

Please, We Beg, Just One Weekend Free Of Appliances (Citrix NetScaler CVE-2026-3055 Memory Overread Part 2)

Today, we woke up with a nagging feeling: what if Citrix had, in fact, patched multiple Memory Overread vulnerabilities as part of CVE-2026-3055? While we've been using our analysis from Part 1 (please read it first, as this post will be brief) to accurately identify exploitable

The Sequels Are Never As Good, But We're Still In Pain (Citrix NetScaler CVE-2026-3055 Memory Overread)

Sequels? Pain? We're obviously talking about Citrix NetScalers, yet again. Welcome back to another watchTowr Labs blog post - pull up a chair, we always welcome new members to our group therapy sessions. If you asked a C programmer what they most dislike doing in life, their answer might

A 32-Year-Old Bug Walks Into A Telnet Server (GNU inetutils Telnetd CVE-2026-32746 Pre-Auth RCE)

A long, long time ago, in a land free of binary exploit mitigations, when Unix still roamed the Earth, there lived a pre-authentication Telnetd vulnerability. In fact, this vulnerability was born so long ago (way back in 1994) that it may even be older than you. To put the

Someone Knows Bash Far Too Well, And We Love It (Ivanti EPMM Pre-Auth RCEs CVE-2026-1281 & CVE-2026-1340)

When Ivanti removed the embargoes from CVE-2026-1281 and CVE-2026-1340 - actively exploited pre-auth Remote Command Execution vulnerabilities in Ivanti’s Endpoint Manager Mobile (EPMM) solution - we sighed with relief. Clearly, the universe had decided to continue mocking Secure-By-Design signers right on schedule - every January.

How Much More Must We Bleed? - Citrix NetScaler Memory Disclosure (CitrixBleed 2 CVE-2025-5777)

Before you dive into our latest diatribe, indulge us and join us on a journey. Sit in your chair, stand at your desk, lick your phone screen - close your eyes and imagine a world in which things are great. It’s sunny outside, the birds are chirping, and your Secure-

Is The Sofistication In The Room With Us? - X-Forwarded-For and Ivanti Connect Secure (CVE-2025-22457)

What's that Skippy? Another Ivanti Connect Secure vulnerability? At this point, regular readers will know all about Ivanti (and a handful of other vendors of the same class of devices), from our regular analysis. Do you know the fun things about these posts? We can copy text from

8 Million Requests Later, We Made The SolarWinds Supply Chain Attack Look Amateur

Surprise surprise, we've done it again. We've demonstrated an ability to compromise significantly sensitive networks, including governments, militaries, space agencies, cyber security companies, supply chains, software development systems and environments, and more. “Ugh, won’t they just stick to creating poor-quality memes?” we hear you

Get FortiRekt, I Am The Super_Admin Now - Fortinet FortiOS Authentication Bypass CVE-2024-55591

Welcome to Monday, and what an excitingly fresh start to the week we're all having. Grab your coffee, grab your vodka - we're diving into a currently exploited-in-the-wild critical Authentication Bypass affecting foRtinet's (we are returning the misspelling gesture 🥰) flagship SSLVPN appliance,

Backdooring Your Backdoors - Another $20 Domain, More Governments

After the excitement of our .MOBI research, we were left twiddling our thumbs. As you may recall, in 2024, we demonstrated the impact of an unregistered domain when we subverted the TLS/SSL CA process for verifying domain ownership to give ourselves the ability to issue valid and trusted TLS/