أخبار الأمن السيبراني

Hackers Backdoor Nextcloud Servers Through Critical Flaw in Collabora’s Built-in CODE App

Attackers exploited a flaw in an optional Nextcloud app, Collabora Online - Built-in CODE Server, to plant web shells on Nextcloud servers. Three administrator…

GitHub

Debian LTS: DLA-4303-1: nextcloud-desktop security update

Multiple vulnerabilities were discovered in nextcloud-desktop, nextcloud folder synchronization tool. CVE-2022-39331

Linux

Mageia 2020-0099: nextcloud security upda

Updated nextcloud packages fix security vulnerability: A bug in Nextcloud Server causes the workflow rules to depend their behavior on the file extension when…

Hackers exploit Collabora RCE flaw to backdoor Nextcloud servers

Threat actors are exploiting a critical command execution flaw, now tracked as CVE-2026-110447, in the Collabora Online - Built-in CODE Server app (richdocumen…

Fedora 43 Nextcloud Security Advisory XSS Security Bypass 2026-625cbe86c8

The Fedora 43 update for NextCloud version 34.0.3 addresses multiple security vulnerabilities including XSS and prototype pollution, enhancing the file sync an…

Linux

Fedora 44 Nextcloud 34.0.3 Important Security Advisories for 2026

Fedora 44 has released an update for NextCloud version 34.0.3, addressing multiple security vulnerabilities including cross-site scripting and prototype pollut…

Linux

Fedora 43 Nextcloud 34.0.2 Advisory CVE-2026-59882 Security Risk

Fedora 43 has updated Nextcloud to version 34.0.2, enhancing file synchronization capabilities while addressing security flaws related to URI host validation i…

Linux

Fedora 44 Nextcloud 34.0.2 Security Issue Advisory 2026-df06189438

Fedora 44 has updated NextCloud to version 34.0.2, offering file syncing and sharing, with improvements and bug fixes related to security flaws and enhancement…

Linux

Gentoo: GLSA-202208-17: Nextcloud: Multiple Vulnerabilities

Multiple vulnerabilities have been found in Nextcloud, the worst of which could result in denial of service.

Debian: DSA-4974-1: nextcloud-desktop security upda

Two vulnerabilities were discovered in the Nextcloud desktop client, which could result in information disclosure. For the oldstable distribution (buster), the…

Linux

Gentoo: GLSA-202105-37: Nextcloud Desktop Client: User-assisted execution of arbitrary c

A vulnerability in Nextcloud Desktop Client could allow a remote attacker to execute arbitrary commands.

Gentoo: GLSA-202009-09: Nextcloud Desktop Sync client: Multiple vulnerabiliti

Multiple vulnerabilities have been found in Nextcloud Desktop Sync client, the worst of which may allow execution of arbitrary code.

NextCry Ransomware Targets NextCloud Linux Servers and Remains Undetect

A new and particularly troublesome ransomware variant has been identified in the wild. Dubbed NextCry, this nasty strain of ransomware encrypts data on NextClo…

Linux

Fedora 44 Nextcloud 34.0.4 Denial of Service XSS Advisories 2026-362f1943c8

34.0.4 Release

Linux

Fedora 43 Nextcloud Denial of Service Fix FEDORA-2026-c495e95154

34.0.4 Release

Linux

Fedora 45 Nextcloud 34.0.4 Denial of Service and XSS Issues 2026-5c1bbb46c3

34.0.4 Release

Linux

Fedora 44 Nextcloud 33.0.5 Security Advisory FEDORA-2026-86fab2703b

33.0.5 Release

Linux

Fedora 43 Nextcloud 33.0.5 Major Security Advisory on Authentication Bypass

33.0.5 Release

Linux

Fedora 43 Nextcloud 33.0.3 Security Advisory 2026-6599e30e04 Critical RCE

33.0.3 Release

Linux

Fedora 42 nextcloud 33.0.3 Important Remote Code Exec Vuln 2026-2fed8dd674

33.0.3 Release

Linux

Fedora 42 Nextcloud 33.0.1 Key Denial of Service Advisory 2026-ca43aa006f

33.0.1 release

Linux

Fedora 42 Nextcloud 32.0.6 Major Service Disruption Risk 2026-889607c7a0

32.0.6 release

Linux

Fedora 43 NextCloud 32.0.6 Prototype Pollution Denial of Service Advisory

32.0.6 release

Linux

Fedora 43: nextcloud 32.0.3 Advisory for XSS Fixes 2025-86c0829159

32.0.3 release, fixes RHBZ# 2420196 RHBZ# 2420197 RHBZ# 2420198 RHBZ# 2421368

Linux