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⚡ Weekly Recap: AI Automation Exploits, Telecom Espionage, Prompt Poaching & More. This week made one thing clear: small oversights can spiral fast. Tools meant to save time and reduce friction turned into easy entry points once basic safeguards were ignored. Attackers didn't need novel tricks. They used what was already exposed and moved in without resistance. Scale amplified the damage. A single weak configuration rippled out to millions. A repeatable flaw worked again and again. Phishing crept into apps people rely on daily, while malware blended into routine system behavior. Different victims, same playbook: look normal, move quickly, spread before alarms go off. For defenders, the pressure keeps rising. Vulnerabilities are exploited almost as soon as they surface. Claims and counterclaims appear before the facts settle. Criminal groups adapt faster each cycle. The stories that follow show where things failed—and why those failures matter going forward. ⚡ Threat of the Week Maximum Severity Security Flaw Disclosed in n8n — A maximum-severity vulnerability in the n8n workflow automation platform permits unauthenticated remote code execution and potential full system compromise. The flaw, referred to as Ni8mare and tracked as CVE‑2026‑21858, affects locally deployed instances running versions prior to 1.121.0. The issue stems from how n8n handles incoming data, offering a direct path from an external, unauthenticated request to compromise the automation environment. The disclosure of CVE‑2026‑21858 follows several other high‑impact vulnerabilities publicized over the past two weeks, including CVE‑2026‑21877, CVE‑2025‑68613, and CVE‑2025‑68668. The problem appears in Form-based workflows where file-handling functions are executed without first validating that the request was actually processed as "multipart/form-data." This loophole allows an attacker to send a specially crafted request using a non-file content type while crafting the request body to mimic the internal structure expected for uploaded files. Because the parsing logic does not verify the format of the incoming data, it enables an attacker to access arbitrary file paths on the n8n host and even escalate it to code execution. "The impact extends to any organization using n8n to automate workflows that interact with sensitive systems," Field Effect said. "The worst‑case scenario involves full system compromise and unauthorized access to connected services." However, Horizon3.ai noted that successful exploitation requires a combination of pre-requisites that are unlikely to be found in most real-world deployments: An n8n form component workflow that's publicly accessible without authentication and a mechanism to retrieve the local files from the n8n server. Protect Critical Data in AI Workflows Stop data breaches before they happen. Airia offers advanced solutions to ensure your AI models remain secure, reliable, and compliant in today's fast-evolving landscape. 🔔 Top News ‎️‍🔥 Trending CVEs Hackers act fast. They can use new bugs within hours. One missed update can cause a big breach. Here are this week's most serious security flaws. Check them, fix what matters first, and stay protected. This week's list includes — CVE-2026-21858, CVE-2026-21877, CVE-2025-68668 (n8n), CVE-2025-69258, CVE-2025-69259, CVE-2025-69260 (Trend Micro Apex Central), CVE-2026-20029 (Cisco Identity Services Engine), CVE-2025-66209, CVE-2025-66210, CVE-2025-66211, CVE-2025-66212, CVE-2025-66213, CVE-2025-64419, CVE-2025-64420, CVE-2025-64424, CVE-2025-59156, CVE-2025-59157, CVE-2025-59158 (Coolify), CVE-2025-59470 (Veeam Backup & Replication), CVE-2026-0625 (D-Link DSL gateway routers), CVE-2025-65606 (TOTOLINK EX200), CVE-2026-21440 (@adonisjs/bodyparser), CVE-2025-68428 (jsPDF), CVE-2025-69194 (GNU Wget2), CVE-2025-43530 (Apple macOS Tahoe), CVE-2025-54957 (Google Android), CVE-2025-14026 (Forcepoint One DLP Client), CVE-2025-66398 (Signal K Server), CVE-2026-21483 (listmonk), CVE-2025-34468 (libcoap), CVE-2026-0628 (Google Chrome), CVE-2025-67859 (Linux TLP), CVE-2025-9222, CVE-2025-13761, CVE-2025-13772 (GitLab CE/EE), CVE-2025-12543 (Undertow HTTP server core), CVE-2025-14598 (BeeS Examination Tool), CVE-2026-21876 (OWASP Core Rule Set), CVE-2026-22688 (Tencent WeKnora), CVE-2025-61686 (@react-router/node, @remix-run/node, and @remix-run/deno), and CVE-2025-54322 (Xspeeder SXZOS). 📰 Around the Cyber World 🎥 Cybersecurity Webinars 🔧 Cybersecurity Tools Disclaimer: These tools are for learning and research only. They haven't been fully tested for security. If used the wrong way, they could cause harm. Check the code first, test only in safe places, and follow all rules and laws. Conclusion Seen together, these updates show how quickly familiar systems turn risky when trust isn't questioned. Most of the damage didn't begin with clever exploits. It began with ordinary tools quietly doing more than anyone expected. It rarely takes a dramatic failure. A missed patch. An exposed service. A routine click that slips through. Multiply those small lapses, and the impact spreads faster than teams can contain it. The lesson is straightforward. Today's threats grow out of normal operations, moving at speed and scale. The advantage comes from spotting where that strain is building before it breaks.