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Security News — 1 October 2026

A daily, automatically-compiled digest of the cyber security stories that broke in the last 24 hours, drawn from 12 trusted feeds. Each entry is a short excerpt — follow the link to read the full article at its original publisher. Compiled 1 October 2026 · 21 items.

Top 5 to watch today

  1. ThreatsDay: AI-Powered Zero-Day Chain, 543K Live Secrets, Model Inspection RCE and 13 More Stories exploited The Hacker News
  2. Armatura LLC Armatura One exploited CISA Cybersecurity Advisories
  3. Fortinet warns of critical FortiMail flaw exploited in zero-day attacks exploited BleepingComputer
  4. CISA Adds One Known Exploited Vulnerability to Catalog exploited CISA Current Activity
  5. Johnson Controls EasyIO Neo Series EC and CW Controllers exploited CISA Cybersecurity Advisories

Urgent Vulnerabilities 3

Actively exploited, critical, or high-severity flaws — patch or mitigate first.

BleepingComputer01 Oct

Fortinet warns of critical FortiMail flaw exploited in zero-day attacks

KEV · exploited
Exploited
Yes — CISA KEV
Product
Fortinet FortiMail
Impact
Path traversal
Audience
Network/firewall admins
Action
Patch per vendor / CISA KEV

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 or commands on vulnerable devices. [...]

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CISA Current Activity01 Oct

CISA Adds One Known Exploited Vulnerability to Catalog

KEV · exploited
Exploited
Yes — CISA KEV
Product
Fortinet FortiMail
Impact
Path traversal
Audience
Network/firewall admins
Action
Patch per vendor / CISA KEV

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-104286 Fortinet FortiMail Path Traversal Vulnerability This type of vulnerability is a frequent…

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CVEDatabase - Critical CVEs01 Oct

CVE-2026-102427 — CRITICAL (CVSS 10.0)

CriticalCVSS 10
Impact
Remote code execution
Audience
Linux/server admins
Action
Patch when a fix is available; monitor exposure

CVSS 10.0 CRITICAL · Vendor: ordasoft Joomla Extension - ordasoft.com - Unauthenticated Remote Code Execution in OrdaSoft Joomla CCK < 8.3.16 - site/uploader.php is reached through the component’s normal frontend routing (task=getContent),…

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Threat Activity 10

Malware, campaigns and adversary tradecraft.

CISA Cybersecurity Advisories01 Oct

Armatura LLC Armatura One

KEV · exploited

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to gain unauthorized access to the database, execute arbitrary code on the host with the highest level of privilege, or gain control of the physical…

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CISA Cybersecurity Advisories01 Oct

Johnson Controls EasyIO Neo Series EC and CW Controllers

KEV · exploited

View CSAF Summary Successful exploitation of this vulnerability could allow an attacker tointercept and read sensitive information, including credentials andsession data. The following versions of Johnson Controls EasyIO Neo Series EC and…

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CISA Cybersecurity Advisories01 Oct

Meari IoT Cloud Platform OpenAPI Service

KEV · exploited

View CSAF Summary Successful exploitation of these vulnerabilities could allow attackers to manipulate device configurations, trigger unauthorized behaviors, and access sensitive information such as device credentials, owner details, and n…

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CISA Cybersecurity Advisories01 Oct

Monta monta.app

KEV · exploited

View CSAF Summary Successful exploitation of these vulnerabilities could enable attackers to gain unauthorized administrative control over vulnerable charging stations or disrupt charging services through denial-of-service attacks. The fol…

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Breaches & Incidents 3

Ransomware, data breaches and supply-chain events.

Research & Detection 3

Detection engineering, tooling and defensive analysis.

Cisco Talos01 Oct

The Fine Art of Frustrating the Adversary

What really frustrates an adversary? Eight Cisco Talos researchers share practical ways to make their next move slower and riskier. From deception and behavioral detection to breaking attack dependencies and resisting manufactured urgency.

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Policy & Commentary 2

Industry, executive and AI-security perspective.

Schneier on Security01 Oct

Connected Cars Are a Surveillance Platform

Researchers at Northeastern University, in collaboration with Consumer Reports , evaluated how much modern cars spy in their drivers: The new Northeastern study shows, for the first time, data flowing among the vehicles, the vehicle apps y…

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