NewsHive
CONTACT USANALYST PORTAL →
securityBACKGROUND

Critical FortiMail Zero-Day Flaw Exploited in Attacks Allows Unauthenticated Arb

BACKGROUND
1 SIGNALFIRST DETECTED 2 October 2026
Narrative synthesis pending — 1 signal collected.
How the story developed
Other feeds and industry voices
1 Oct
Fortinet warns of critical FortiMail flaw exploited in zero-day attacks

Fortinet is warning customers of a critical FortiMail vulnerability, tracked as CVE-2026-104286, that is being actively exploited in zero-day attacks to execute unauthorized code

REPORT · WHAT · BleepingComputerOPEN STORY
15 May
CISA Adds Cisco SD-WAN CVE-2026-20182 to KEV After Admin Access Exploits

The U.S.Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a newly disclosed vulnerability impacting Cisco Catalyst SD-WAN Controller to its Known Exploited

REPORT · WHAT · The Hacker NewsOPEN STORY
29 Apr
CISA Adds Actively Exploited ConnectWise and Windows Flaws to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added two security flaws impacting ConnectWise ScreenConnect and Microsoft Windows to its Known

REPORT · WHAT · The Hacker NewsOPEN STORY
16 Sept
Cisco Secure Email Gateway: One Crafted Email Gives Root, and It Is Already Being Exploited

<h2> TL;DR </h2> <ul> <li> <strong>what:</strong> Cisco confirmed active exploitation of CVE-2026-76461, a CVSS 9.8 SQL injection in the email parsing logic of AsyncOS for Secure

REPORT · WHAT · Dev.toOPEN STORY
14 May
Cisco warns of new critical SD-WAN flaw exploited in zero-day attacks

Cisco is warning that a critical Catalyst SD-WAN Controller authentication bypass flaw, tracked as CVE-2026-20182, was actively exploited in zero-day attacks that allowed

REPORT · WHAT · BleepingComputerOPEN STORY
10 Sept
Cisco FMC flaws exploited by ransomware gang, state-sponsored hackers

Cisco Talos says two recently patched Secure Firewall Management Center (FMC) vulnerabilities have been exploited by three separate threat clusters linked to ransomware and

REPORT · WHO · BleepingComputerOPEN STORY
20 Oct
Critical FortiSIEM Flaw Gets Public Exploit PoC for Unauthenticated Remote Code Execution

Cybersecurity researchers have released a proof-of-concept (PoC) exploit for a recently patched critical security flaw impacting Fortinet FortiSIEM that could result in arbitrary

REPORT · HOW · The Hacker NewsOPEN STORY
14 Oct
Cisco Warns of Active Attacks Exploiting New Critical Secure Email Gateway Vulnerability

Attackers are exploiting a critical flaw in Cisco Secure Email Gateway that lets a sender with no login write files to the appliance's operating system, Cisco&nbsp;said in an

REPORT · WHO · The Hacker NewsOPEN STORY
Sources
The Hacker News

NewsHive monitors these sources continuously. All signal titles above link to the original reporting.

Intelligence by NewsHive. Need help navigating what this means for your business? Contact GeekyBee →