Vulnerabilities (CVE)

Filtered by vendor Nextcloud Subscribe
Total 372 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2020-8150 1 Nextcloud 1 Nextcloud Server 2026-06-17 1.9 LOW 4.1 MEDIUM
A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.
CVE-2020-8140 2 Apple, Nextcloud 2 Macos, Desktop 2026-06-17 4.6 MEDIUM 6.7 MEDIUM
A code injection in Nextcloud Desktop Client 2.6.2 for macOS allowed to load arbitrary code when starting the client with DYLD_INSERT_LIBRARIES set in the environment.
CVE-2020-8139 2 Fedoraproject, Nextcloud 2 Fedora, Nextcloud Server 2026-06-17 4.0 MEDIUM 6.5 MEDIUM
A missing access control check in Nextcloud Server < 18.0.1, < 17.0.4, and < 16.0.9 causes hide-download shares to be downloadable when appending /download to the URL.
CVE-2020-8138 1 Nextcloud 1 Nextcloud Server 2026-06-17 4.0 MEDIUM 6.5 MEDIUM
A missing check for IPv4 nested inside IPv6 in Nextcloud server < 17.0.1, < 16.0.7, and < 15.0.14 allowed a Server-Side Request Forgery (SSRF) vulnerability when subscribing to a malicious calendar URL.
CVE-2020-8133 1 Nextcloud 1 Nextcloud Server 2026-06-17 5.0 MEDIUM 5.3 MEDIUM
A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file.
CVE-2020-8122 1 Nextcloud 1 Nextcloud Server 2026-06-17 4.0 MEDIUM 4.3 MEDIUM
A missing check in Nextcloud Server 14.0.3 could give recipient the possibility to extend the expiration date of a share they received.
CVE-2020-8121 1 Nextcloud 1 Nextcloud Server 2026-06-17 5.5 MEDIUM 8.1 HIGH
A bug in Nextcloud Server 14.0.4 could expose more data in reshared link shares than intended by the sharer.
CVE-2020-8120 1 Nextcloud 1 Nextcloud Server 2026-06-17 4.3 MEDIUM 6.1 MEDIUM
A reflected Cross-Site Scripting vulnerability in Nextcloud Server 16.0.1 was discovered in the svg generation.
CVE-2020-8119 1 Nextcloud 1 Nextcloud Server 2026-06-17 4.0 MEDIUM 4.3 MEDIUM
Improper authorization in Nextcloud server 17.0.0 causes leaking of previews and files when a file-drop share link is opened via the gallery app.
CVE-2020-8118 3 Nextcloud, Novell, Opensuse 3 Nextcloud Server, Suse Linux Enterprise Server, Backports Sle 2026-06-17 4.0 MEDIUM 5.0 MEDIUM
An authenticated server-side request forgery in Nextcloud server 16.0.1 allowed to detect local and remote services when adding a new subscription in the calendar application.
CVE-2020-8117 1 Nextcloud 1 Nextcloud Server 2026-06-17 4.0 MEDIUM 4.3 MEDIUM
Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.
CVE-2019-5476 1 Nextcloud 1 Lookup-server 2026-06-17 7.5 HIGH 9.8 CRITICAL
An SQL Injection in the Nextcloud Lookup-Server < v0.3.0 (running on https://lookup.nextcloud.com) caused unauthenticated users to be able to execute arbitrary SQL commands.
CVE-2019-5455 1 Nextcloud 1 Nextcloud 2026-06-17 4.6 MEDIUM 6.8 MEDIUM
Bypassing lock protection exists in Nextcloud Android app 3.6.0 when creating a multi-account and aborting the process.
CVE-2019-5454 1 Nextcloud 1 Nextcloud 2026-06-17 7.5 HIGH 9.8 CRITICAL
SQL Injection in the Nextcloud Android app prior to version 3.0.0 allows to destroy a local cache when a harmful query is executed requiring to resetup the account.
CVE-2019-5453 1 Nextcloud 1 Nextcloud 2026-06-17 3.6 LOW 6.1 MEDIUM
Bypass lock protection in the Nextcloud Android app prior to version 3.3.0 allowed access to files when being prompted for the lock protection and switching to the Nextcloud file provider.
CVE-2019-5452 1 Nextcloud 1 Nextcloud 2026-06-17 2.1 LOW 2.4 LOW
Bypass lock protection in the Nextcloud Android app prior to version 3.6.2 causes leaking of thumbnails when requesting the Android content provider although the lock protection was not solved.
CVE-2019-5451 1 Nextcloud 1 Nextcloud Server 2026-06-17 2.1 LOW 4.6 MEDIUM
Bypass lock protection in the Nextcloud Android app prior to version 3.6.1 allows accessing the files when repeatedly opening and closing the app in a very short time.
CVE-2019-5450 1 Nextcloud 1 Nextcloud 2026-06-17 4.6 MEDIUM 6.8 MEDIUM
Improper sanitization of HTML in directory names in the Nextcloud Android app prior to version 3.7.0 allowed to style the directory name in the header bar when using basic HTML.
CVE-2019-5449 1 Nextcloud 1 Nextcloud Server 2026-06-17 4.0 MEDIUM 4.3 MEDIUM
A missing check in the Nextcloud Server prior to version 15.0.1 causes leaking of calendar event names when adding or modifying confidential or private events.
CVE-2019-15624 3 Nextcloud, Opensuse, Suse 3 Nextcloud Server, Backports, Suse Linux Enterprise Server 2026-06-17 4.0 MEDIUM 4.9 MEDIUM
Improper Input Validation in Nextcloud Server 15.0.7 allows group admins to create users with IDs of system folders.