Blog

What It Really Means to “Try Harder”

Discover how OffSec’s “Try Harder” mantra evolved into a mindset, and how it helps learners build grit, creativity, and real-world problem-solving skills.

CVE-2025-3248 – Unauthenticated Remote Code Execution in Langflow via Insecure Python exec Usage

CVE-2025-3248 is a critical RCE vulnerability in Langflow that allows unauthenticated attackers to execute arbitrary Python code via unsanitized input to exec(). Learn how it works and how to protect your system.

CVE-2024-21683 – Authenticated RCE via “Add a New Language” in Atlassian Confluence

Critical RCE vulnerability (CVE-2024-21683) in Atlassian Confluence Data Center and Server (v5.2–8.9.0) allows authenticated users to execute arbitrary code via malicious code macros.

CVE‑2025‑49113 – Post‑Auth Remote Code Execution in Roundcube via PHP Object Deserialization

A critical RCE vulnerability (CVSS 9.9) in Roundcube Webmail (

CVE-2025-24893 – Unauthenticated Remote Code Execution in XWiki via SolrSearch Macro

An RCE vulnerability in XWiki was found allowing unauthenticated attackers to execute arbitrary Groovy code remotely without authentication or prior access.

May 2025 Content & Platform Update

OffSec’s Take on the Global Generative AI Adoption Index

Discover OffSec’s take on the latest Global Generative AI Adoption Index report released by AWS.

CVE-2025-0655 – Remote Code Execution in D-Tale via Unprotected Custom Filters

A critical remote code execution (RCE) vulnerability in the D-Tale data visualization tool was identified which allowed attackers to execute arbitrary system exams, abusing an exposed API endpoint.

Recompiling Your “Self”: A Cybersecurity-Inspired Guide to Resilience

A recap of our mental health OffSec LIVE session, with tips on ensuring intentional change, self-awareness, and digital resilience in cybersecurity.

CVE-2024-46986 – Arbitrary File Write in Camaleon CMS Leading to RCE

A vulnerability was discovered in Camaleon CMS authenticating attackers to write files on the file system which enabled them to execut remote code under certain conditions.

CVE-2024-2928: MLflow Local File Inclusion via URI Fragment Manipulation

Read about an LFI vulnerability disclosed in MLflow which allowed unauthenticated remote attackers to read arbitrary files by exploiting URI fragments containing directory traversal sequences.

April 2025 Content & Platform Update