Silent Lynx Exploits WinRAR Flaw to Deploy Reverse Shell in CIS Government Attacks · 4h NGINX Fixes 5 Flaws, Including Possible RCE and a TLS Bug That May Skip Client-Cert Checks · 7h Next.js Ships Out-of-Band Patch for Two Critical RCE Flaws in Caching and SVG Processing · 7h Drupal Patches Critical Core RCE Flaw with No-Login Path via Contributed Modules · 8h Vulnerability in Sparx Systems Enterprise Architect software · 8h Curl verhelpt 'high' RCE-kwetsbaarheid gevonden door Anthropic · 8h Vulnerabilities in Slican telephone exchanges · 9h Palo Alto Networks waarschuwt voor misbruik van beveiligingslek in firewalls · 12h Cisco meldt actief misbruik van kritiek lek in Secure Email Gateway · 13h Langflow's Critical Authenticated RCE Flaw Targeted in 1,423 Honeypot Exploit Attempts · 13h Silent Lynx Exploits WinRAR Flaw to Deploy Reverse Shell in CIS Government Attacks · 4h NGINX Fixes 5 Flaws, Including Possible RCE and a TLS Bug That May Skip Client-Cert Checks · 7h Next.js Ships Out-of-Band Patch for Two Critical RCE Flaws in Caching and SVG Processing · 7h Drupal Patches Critical Core RCE Flaw with No-Login Path via Contributed Modules · 8h Vulnerability in Sparx Systems Enterprise Architect software · 8h Curl verhelpt 'high' RCE-kwetsbaarheid gevonden door Anthropic · 8h Vulnerabilities in Slican telephone exchanges · 9h Palo Alto Networks waarschuwt voor misbruik van beveiligingslek in firewalls · 12h Cisco meldt actief misbruik van kritiek lek in Secure Email Gateway · 13h Langflow's Critical Authenticated RCE Flaw Targeted in 1,423 Honeypot Exploit Attempts · 13h

ACyber Sentinel Security Assessment Team

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⚠️ Vulnerability Report

CVE-2026-91843

CRITICAL CVSS 9.8 CVSS 3.1 📌 Awaiting Analysis

CVE-2026-91843 - Stack overflow in login process to the Security Management and Log Servers

A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges.

Published: Sep 16, 2026 14:17

Last Modified: Sep 18, 2026 19:34