Cisco - DIESEC

Cisco Secure Email Gateway Vulnerability: Patch Now

By Editorial Team | September 17, 2026

A critical Cisco Secure Email Gateway vulnerability lets one crafted email grant root access, no login needed. Active exploitation confirmed.

A critical Cisco Secure Email Gateway vulnerability, CVE-2026-76461 (CVSS 9.8), lets an attacker gain root access to the appliance by sending a single crafted email, no login or admin access required. Cisco confirmed active exploitation and published its advisory September 14; CISA added the flaw to its Known Exploited Vulnerabilities catalog the same day, and…

Cisco Secure FMC CVE-2026-20316 Exploited

By Editorial Team | August 3, 2026

Cisco Secure FMC CVE-2026-20316 is under active attack via hardcoded credentials that chain into a CVSS 10.0 root bypass. Patch now.

Cisco Secure FMC CVE-2026-20316 is under confirmed active exploitation: a hardcoded, low-privilege account built into every on-premises Secure Firewall Management Center gives an unauthenticated attacker a foothold — and in the same advisory cycle, Cisco quietly reactivated a five-month-old, maximum-severity root-level bypass in the same product, sharing an identical indicator of compromise. CISA added the…

June 2026 Cybersecurity Roundup: Supply Chain Breaches, Data Extortion, and Critical CVEs

By Editorial Team | July 8, 2026

This June 2026 Cybersecurity Roundup lands in a month when the FIFA World Cup kickoff dominated the conversation, with most attention on cyber threats and fraud tied to the tournament. Away from the headlines, though, June’s most consequential incidents ran through SaaS supply chains, ransomware-driven data extortion, and identity compromise. Here’s a roundup of the…