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Today on HACKLIDO

New in the 30 Days of Agent Hacking series:

Day 13: The postmark-mcp Incident
The first malicious MCP server caught in the wild. No zero day, just one line. Around 15 clean versions to build trust, then a release that quietly copied your email to an attacker address. The tool still worked, which is exactly why nobody noticed.
https://hacklido.com/blog/1669-case-study-the-postmark-mcp-incident

Security news today:

GitLab patches a critical 9.9 AI Gateway flaw allowing command execution on self-hosted servers
https://hacklido.com/news/gitlab-patches-critical-9-9-ai-gateway-flaw-allowing-command-execution-on-self-hosted-servers

Antino backdoor uses Outlook and OneDrive for C2 in a China-nexus espionage campaign
https://hacklido.com/news/antino-backdoor-uses-outlook-and-onedrive-for-c2-in-china-nexus-espionage-campaign

Dell CSM flaws enable unauthenticated admin access and root on Kubernetes nodes
https://hacklido.com/news/dell-csm-flaws-enable-unauthenticated-admin-access-and-root-on-kubernetes-nodes
πŸ“° Latest Tech & Cybersecurity News
1. ShinyHunters Suspect Rey Reportedly Detained in Jordan, Helping FBI Identify Group Members
https://hacklido.com/news/shinyhunters-suspect-rey-reportedly-detained-in-jordan-helping-fbi-identify-group-members
2. China-Aligned TA419 Targets U.S. AI Policy Experts With Microsoft AiTM Phishing
https://hacklido.com/news/china-aligned-ta419-targets-u-s-ai-policy-experts-with-microsoft-aitm-phishing
3. MI5 Says China’s MSS Funded Research Involving 100+ U.K.-Linked Academics
https://hacklido.com/news/mi5-says-china-s-mss-funded-research-involving-100-u-k-linked-academics
πŸ“š Latest Cybersecurity Blogs
4. How to Build a Cyber Security Portfolio That Actually Gets Interviews
https://hacklido.com/blog/1673-how-to-build-a-cyber-security-portfolio-that-actually-gets-interviews
5. Build and Exploit a Vulnerable MCP Server
https://hacklido.com/blog/1672-build-and-exploit-a-vulnerable-mcp-server
πŸ” Keep Learning. Keep Testing. Keep Publishing.
Explore more cybersecurity content, practical guides, CTF writeups, and latest security news on HackLido. 
🚨 New Training Announcement 🚨

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🚨 NEW CTF LAB LAUNCH: PHP2Shell – Red Orbit 🚨
Following the recent disclosure of critical PHP2Shell vulnerabilities (CVE-2026-109618 and CVE-2026-109619), we're excited to introduce a new hands-on cybersecurity lab on Hacklido Learn! πŸ”₯
πŸ’» Explore PHP security, web exploitation, remote code execution concepts, credential discovery, SSH lateral movement, and Linux privilege escalation through a multi-stage CTF challenge.
🎯 Ready to test your skills?
πŸ”— Play the Lab: https://learn.hacklido.com/rootquest/php2shell-red-orbit
Built for cybersecurity enthusiasts who love learning by breaking things in a controlled lab environment. πŸ›‘οΈ
#Hacklido #PHP2Shell #CyberSecurity #CTF #EthicalHacking #WebSecurity #RedTeam #InfoSec
🚨 Hacklido Daily Blog & Cybersecurity News | 23 October 2026
πŸ“š Today's Blog
Why Input Filtering Does Not Work
https://hacklido.com/blog/1708-why-input-filtering-does-not-work
πŸ”₯ Today's Cybersecurity News
1. Arista Warns of Critical VeloCloud SQL Injection Zero-Day Exploited in Attacks
https://hacklido.com/news/arista-warns-of-critical-velocloud-sql-injection-zero-day-exploited-in-attacks
2. eMudhra to Exit Global SSL/TLS Business After 8 Intermediate CA Keys Found Easily Guessable
https://hacklido.com/news/emudhra-to-exit-global-ssl-tls-business-after-8-intermediate-ca-keys-found-easily-guessable
3. Two CVSS 9.0 Linux KSMBD RCE Flaws Disclosed on Public Mailing Lists Before Kernel Fixes
https://hacklido.com/news/two-cvss-9-0-linux-ksmbd-rce-flaws-disclosed-on-public-mailing-lists-before-kernel-fixes
4. Meta Ordered to Pay $25 Billion After Court Finds 43 Million Privacy Violations
https://hacklido.com/news/meta-ordered-to-pay-25-billion-after-court-finds-43-million-privacy-violations
🌐 Explore more cybersecurity blogs, vulnerability research, and the latest security updates on Hacklido.
πŸ”— https://hacklido.com
#Hacklido #CyberSecurity #CyberNews #InfoSec #EthicalHacking #SecurityResearch #ZeroDay #LinuxSecurity #DataPrivacy