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PHP — CVE-2026-109618 · CVE-2026-109619

Vulnerability High

PHP2Shell: two critical PHP flaws allow unauthenticated remote code execution on web servers

On 21 October 2026, the PHP project shipped emergency releases 8.5.12, 8.4.27, 8.3.36 and 8.2.35 to fix CVE-2026-109618 and CVE-2026-109619, two memory flaws that let an unauthent…

PHPApacheNginx

BeyondTrust — CVE-2026-102764

Vulnerability Critical

BeyondTrust Remote Support: a zero-day exploited since August lets attackers take over the appliance without an account

BeyondTrust has fixed CVE-2026-102764, a critical flaw in Remote Support that lets an attacker with no account perform file operations on the appliance. According to Google and Ma…

BeyondTrustRemote accessLinux

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

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

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

Fedora 43 sngrep Critical Buffer Overflow Fix CVE-2026-90558

Fixed CVE-2026-90558

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Fedora 43 perl-Imager Key Concerns with TGA Color Map and Palette

1.036 bump - Fix CVE-2026-93019 (TGA large color map size interpreted as negative) - Fix CVE-2026-93018 (paletted images: out-of-range color index returned uni…

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Fedora 45 mutter Patch 51.0 Security Notice 2026-48a7996f9c

GNOME 51.0

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Fedora 43 Parted Update Severity Important Partition Fix CVE-2026-89085

parted: Fix partition number allocation in do_print (bcl) fdasd: Make sure data set name is positive (bcl) resize: Make sure hfsc_new_cachetable cannot overflo…

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 sngrep 1.8.4 Buffer Overflow Fix Advisory 2026-3ff086aa2a

Fixed CVE-2026-90558

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 perl-Imager Update CVEs 2026-93019 2026-93018 Security Advisory

1.036 bump - Fix CVE-2026-93019 (TGA large color map size interpreted as negative) - Fix CVE-2026-93018 (paletted images: out-of-range color index returned uni…

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 rootlesskit Denial of Service Issues Resolved 2026-3e60aed77e

Update to release v3.2.0 Resolves: rhbz#2530874 Resolves CVE-2026-56855: rhbz#2530631 Resolves CVE-2026-78662: rhbz#2530678 Upstream enhancements and fixes

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Fedora 45 hplip 3.26.6 Important Exec Escalation CVEs 2026-ebccf08143

3.26.6, fixes CVE-2026-91105,CVE-2026-91103,CVE-2026-91102,CVE-2026-91101, CVE-2026-91100,CVE-2026-91099,CVE-2026-91098,CVE-2026-91097

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Fedora 45 mingw-llvm Critical DoS Buffer Overflow Advisory 2026-e03c0baa59

Update to llvm-23.1.1

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Fedora 45 sngrep Critical Buffer Overflow CVE-2026-90558 Advisory 2026-019

Fixed CVE-2026-90558

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Fedora 45 libshumate Patch Notification 2026-48a7996f9c

GNOME 51.0

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 26.04 LTS c-ares Important DoS and Code Exec CVE-2026-33630

c-ares could be made to crash or run programs if it received specially crafted network traffic.

The Hacker News

The Hacker News Breaches & leaks

New Spectre-v2 BTR Attack Leaks Linux Memory Despite Existing Defenses

A group of academics from VUSec and Scuola Superiore Sant'Anna have disclosed details of a new Spectre CPU vulnerability variant that affects Just-In-Time (JIT…

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE perl-DBI Important Arbitrary Module Load Vulnern 2026-4386-1

An update that solves one vulnerability can now be installed.

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

SUSE perl-DBI Critical Advisory for Arbitrary Module Load CVE-2026-78030

An update that solves one vulnerability can now be installed.

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Rocky Linux RLSA-2026-72484 ruby Important Denial of Service CVE-2026-80212

Important: ruby:4.0 security update

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE Jackson-core Moderate Security Issues Advisory 2026-11876-1

An update that solves 3 vulnerabilities can now be installed.

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE Tumbleweed Distribution-Registry Security Update 2026-11872-1

An update that solves 2 vulnerabilities can now be installed.

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE Helm Moderate Update Addressing CVEs 2026-11875-1 Issues

An update that solves 2 vulnerabilities can now be installed.

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE jackson-databind Moderate Security Patch 2026-11877-1

An update that solves 5 vulnerabilities can now be installed.

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

openSUSE Tumbleweed Goose Moderate Update CVE-2026-85623

An update that solves one vulnerability can now be installed.

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu Emacs Important Memory Corruption DoS USN-8835-1 CVE-2026-6861

Emacs could be made to crash or expose sensitive information if it opened a specially crafted file.

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 16.04 Plasma Workspace Arbitrary Code Execution Vuln USN-8829-1

Plasma Workspace could allow unintended access to user sessions.

LinuxSecurity - Security Advisories

LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 26.04 Erlang Critical Denial of Service Buffer Overflow Vuln 8827-1

Several security issues were fixed in Erlang.