CVE-2025-66551 Nextcloud Tables is missing an ownership check which allows moving columns into tables of other users

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.6 and 0.9.3, a malicious user was able to create their own table and then move a column to a victims table. This vulnerability is fixed in 0.8.6 and 0.9.3...

EUVD-2025-201440

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.6 and 0.9.3, a malicious user was able to create their own table and then move a column to a victims table. This vulnerability is fixed in 0.8.6 and 0.9.3...

EUVD-2025-201441

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.9, 0.9.6, and 1.0.1, the information which table numeric ID is shared with which groups or users and the respective permissions was not limited to privileged users. This vulnerability is fixed in 0.8.9,...

CVE-2025-66513

CVE-2025-66513 affects the Nextcloud Tables app. Prior to versions 0.8.9, 0.9.6, and 1.0.1, information about which table (numeric ID) is shared with which groups/users and the corresponding permissions was not restricted to privileged users, enabling an information disclosure scenario. The issue...

CVE-2025-66513 Nextcloud Tables app share information not limited to relevant users

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.9, 0.9.6, and 1.0.1, the information which table numeric ID is shared with which groups or users and the respective permissions was not limited to privileged users. This vulnerability is fixed in 0.8.9,...

CVE-2025-66513 Nextcloud Tables app share information not limited to relevant users

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.9, 0.9.6, and 1.0.1, the information which table numeric ID is shared with which groups or users and the respective permissions was not limited to privileged users. This vulnerability is fixed in 0.8.9,...

CVE-2025-66513 Nextcloud Tables app share information not limited to relevant users

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.9, 0.9.6, and 1.0.1, the information which table numeric ID is shared with which groups or users and the respective permissions was not limited to privileged users. This vulnerability is fixed in 0.8.9,...

CVE-2025-66550

CVE-2025-66550 affects Nextcloud Calendar prior to versions 4.7.17 and 5.2.4. A malicious user could create a calendar event with an attachment that links to a download URL for a file on the same Nextcloud server, causing the file to be downloaded without user confirmation. The issue is resolved ...

EUVD-2025-201443

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.17 and 5.2.4, when a malicious user creates a calendar event with a crafted attachment that links to a download link of a file on the same Nextcloud server, the file would be downloaded without the user confirming the action. This...

CVE-2025-66550 Nextcloud Calendar attachments of local files are offered to downloaded

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.17 and 5.2.4, when a malicious user creates a calendar event with a crafted attachment that links to a download link of a file on the same Nextcloud server, the file would be downloaded without the user confirming the action. This...

CVE-2025-66550 Nextcloud Calendar attachments of local files are offered to downloaded

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.17 and 5.2.4, when a malicious user creates a calendar event with a crafted attachment that links to a download link of a file on the same Nextcloud server, the file would be downloaded without the user confirming the action. This...

CVE-2025-66550 Nextcloud Calendar attachments of local files are offered to downloaded

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.17 and 5.2.4, when a malicious user creates a calendar event with a crafted attachment that links to a download link of a file on the same Nextcloud server, the file would be downloaded without the user confirming the action. This...

CVE-2025-66546 Nextcloud Calendar app allowed booking appointments without the generated token

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.19, 5.5.6, and 6.0.1, the calendar app allowed blindly booking appointments with a squential ID without known the appointment token. This vulnerability is fixed in 4.7.19, 5.5.6, and 6.0.1...

EUVD-2025-201445

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.19, 5.5.6, and 6.0.1, the calendar app allowed blindly booking appointments with a squential ID without known the appointment token. This vulnerability is fixed in 4.7.19, 5.5.6, and 6.0.1...

CVE-2025-66546 Nextcloud Calendar app allowed booking appointments without the generated token

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.19, 5.5.6, and 6.0.1, the calendar app allowed blindly booking appointments with a squential ID without known the appointment token. This vulnerability is fixed in 4.7.19, 5.5.6, and 6.0.1...

CVE-2025-66546 Nextcloud Calendar app allowed booking appointments without the generated token

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.19, 5.5.6, and 6.0.1, the calendar app allowed blindly booking appointments with a squential ID without known the appointment token. This vulnerability is fixed in 4.7.19, 5.5.6, and 6.0.1...

CVE-2025-66546

Summary: CVE-2025-66546 affects Nextcloud Calendar. The vulnerability arises from the calendar’s handling of appointment IDs, allowing blind booking of appointments without knowledge of the appointment token. Affected software/versions (as documented): Nextcloud Calendar prior to 4.7.19, prior to...

EUVD-2025-201444

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 6.0.3, the Calendar app generates participant tokens for meeting proposals using a hash function, allowing an attacker to compute valid participant tokens, which allowed them to request details and submit dates in meeting proposals. The...

CVE-2025-66511 Nextcloud Calendar app used predictable proposal participant tokens

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 6.0.3, the Calendar app generates participant tokens for meeting proposals using a hash function, allowing an attacker to compute valid participant tokens, which allowed them to request details and submit dates in meeting proposals. The...

CVE-2025-66511 Nextcloud Calendar app used predictable proposal participant tokens

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 6.0.3, the Calendar app generates participant tokens for meeting proposals using a hash function, allowing an attacker to compute valid participant tokens, which allowed them to request details and submit dates in meeting proposals. The...