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The security stories that matter, explained by our team — with the concrete steps to take.

Nextcloud · Collabora CODE — CVE-2026-110447

Vulnerability Critical

Nextcloud: attackers plant web shells through Collabora’s Built-in CODE Server app, update or remove it now

A critical flaw in the optional Nextcloud app Collabora Online - Built-in CODE Server lets anyone run system commands on the server without logging in. It has been exploited since…

NextcloudLinuxPHP

Cisco Secure Email Gateway — CVE-2026-76519

Vulnerability Critical

Cisco Secure Email Gateway: a single booby-trapped email gives attackers root, flaw already exploited

Cisco has fixed CVE-2026-76519, a critical flaw in its Secure Email Gateway that lets anyone send an email with a crafted attachment to write files and run commands as root on the…

CiscoEmail security

Windows Shell — CVE-2026-96951

Vulnerability High

Windows Shell: a zero-day that strips the internet warning from files, fixed in October’s Patch Tuesday

Among the more than 1,400 flaws fixed by Microsoft on 13 October, CVE-2026-96951 (CVSS 8.8) is already exploited: it lets a booby-trapped file escape the Mark of the Web protectio…

Windows

Ivanti Connect Secure — CVE-2026-104935

Vulnerability Critical

Ivanti Connect Secure: zero-day chain exploited for root access, one of three flaws still unpatched

Attackers chained three unknown flaws in Ivanti Connect Secure VPN appliances to run commands as root without logging in, then harvested Active Directory credentials. Ivanti fixed…

IvantiVPNActive Directory

Atlassian Data Center — CVE-2026-21589

Vulnerability High

Atlassian Data Center: critical flaw lets anyone read files on Jira, Confluence and Bitbucket servers

Atlassian disclosed on 5 October 2026 CVE-2026-21589 (CVSS 9.3), a path traversal flaw in eight self-hosted products, including Jira, Confluence and Bitbucket Data Center. No logi…

AtlassianJiraConfluence

Microsoft Exchange — CVE-2026-96940

Vulnerability High

Microsoft Exchange: one stolen account is enough to read every mailbox — install the out-of-band fix

CVE-2026-96940 (CVSS 8.8) lets any authenticated user of an on-premises Exchange server read other people’s mail and attachments in the same organisation. Microsoft shipped an out…

ExchangeWindows

Citrix NetScaler — CVE-2026-88771 · 88772 · 88779

Vulnerability Critical

Citrix NetScaler: two critical zero-days under mass exploitation — patch, then check for compromise

Two pre-authentication flaws in NetScaler ADC and Gateway (CVE-2026-88771 and CVE-2026-88772, CVSS 9.5) were exploited before any fix existed and are now used by many attacker gro…

CitrixVPN

Source Watch

Latest headlines from security outlets

Collected every two hours from specialised publications — each link leads to the original article.

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux valkey Important Remote Code Execution RLSA-2026-25925

Important: valkey security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux rsync Security Update Addresses Remote Access Vulnerabilities

Important: rsync security, bug fix, and enhancement update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 389-ds-base Important Remote DoS Fix CVE-2026-9064

Resolves: CVE-2026-9064

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Breaches & leaks

Rocky Linux 9 Rsync Key Remote Memory Leak Privilege Escalation Exploit

Important: rsync security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux 10 Dracut Important Root Code Execution Update RLSA-2026-26532

Important: dracut security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux Valkey Important Remote Code Execution Advisory RLSA-2026-25925

Important: valkey security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux yggdrasil-worker-package-manager Root Exploit RLSA-2026 Alert

Moderate: yggdrasil-worker-package-manager security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux 10 Dracut Important Root Code Execution Fix RLSA-2026-26532

Important: dracut security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux 10 Dracut Important Root Code Execution Vulnern RLSA-2026-26532

Important: dracut security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE rootlesskit Significant Security Patch 2026-2451-1

An update that can now be installed.

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

SUSE Kubernetes-Old Important DoS Remote Execution Issues 2026-2460-1

An update that solves two vulnerabilities can now be installed.

Linux Kubernetes

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux Dracut Important Root Code Execution Advisory RLSA-2026-26532

Important: dracut security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux 10 announces vital update for remote DoS flaw in 389-ds-base

Important: 389-ds-base security, bug fix, and enhancement update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux 389-ds Important Remote DoS Vulnerability Fix RLSA-2026-26459

Important: 389-ds:1.4 security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux 8 389-ds Important Remote DoS Fix RLSA-2026-26459 CVE-2026-9064

Important: 389-ds:1.4 security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux dracut Important Root Execution RLSA-2026-26534 CVE-2026-6893

Important: dracut security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux 8 RLSA-2026-26534 Dracut Important Remote Code Execution

Important: dracut security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux dracut Critical Root Code Injection Flaw RLSA-2026-26532

Important: dracut security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Significant Remote DoS Patch Released for 389-ds-base in Rocky Linux

Important: 389-ds-base security, bug fix, and enhancement update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux 9 Dracut Important Root Code Execution CVE-2026-6893

Important: dracut security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux 10 dracut Important Root Code Execution Vuln RLSA-2026-26532

Important: dracut security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux 10 Dracut Important Remote Code Execution Vuln RLSA-2026-26532

Important: dracut security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux 8 Dracut Major Remote Code Execution Flaw RLSA-2026-26534

Important: dracut security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux version 10 RLSA-2026-26456 fixes a critical remote DDoS flaw

Important: 389-ds-base security, bug fix, and enhancement update