GHSA-JFMM-MJCP-8WQ2 Vikjuna: IDOR in Task Attachment ReadOne Allows Cross-Project File Access and Deletion

Summary TaskAttachment.ReadOne queries attachments by ID only WHERE id = ?, ignoring the task ID from the URL path. The permission check in CanRead validates access to the task specified in the URL, but ReadOne loads a different attachment that may belong to a task in another project. This allows...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the addRelatedTasksToTasks function. An attacker can obtain unauthorized access to sensitive task metadata from projects they do not have permission to view by reading tasks that have cross-project relations...

GHSA-8CMM-J6C4-RR8V Vikunja has Cross-Project Information Disclosure via Task Relations — Missing Authorization Check on Related Task Read

Summary When the Vikunja API returns tasks, it populates the relatedtasks field with full task objects for all related tasks without checking whether the requesting user has read permission on those tasks' projects. An authenticated user who can read a task that has cross-project relations will...

EUVD-2026-14917

Vikunja has Cross-Project Information Disclosure via Task Relations — Missing Authorization Check on Related Task Read...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the addRelatedTasksToTasks function. An attacker can obtain unauthorized access to sensitive task metadata from projects they do not have permission to view by reading tasks that have cross-project relations...

Vikunja has Cross-Project Information Disclosure via Task Relations — Missing Authorization Check on Related Task Read

Summary When the Vikunja API returns tasks, it populates the relatedtasks field with full task objects for all related tasks without checking whether the requesting user has read permission on those tasks' projects. An authenticated user who can read a task that has cross-project relations will...

CVE-2026-2726

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to perform unauthorized actions on merge requests in other projects due to improper access control during...

CVE-2026-2726 Incorrect Authorization in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to perform unauthorized actions on merge requests in other projects due to improper access control during...

CVE-2026-2726

GitLab CVE-2026-2726: An issue in GitLab CE/EE allowed an authenticated user to performUnauthorized actions on merge requests in other projects due to improper access control during cross-repository operations. Affected versions were: 11.10 to before 18.8.7, 18.9 before 18.9.3, and 18.10 before 1...

CVE-2026-2726 Incorrect Authorization in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to perform unauthorized actions on merge requests in other projects due to improper access control during...

Vikunja has Cross-Project Information Disclosure via Task Relations — Missing Authorization Check on Related Task Read

When the Vikunja API returns tasks, it populates the relatedtasks field with full task objects for all related tasks without checking whether the requesting user has read permission on those tasks' projects. An authenticated user who can read a task that has cross-project relations will receive...

GitLab Enterprise Edition（EE）和GitLab Community Edition（CE） 安全漏洞

GitLab Enterprise Edition EE and GitLab Community Edition CE are both products of the American company GitLab. GitLab Enterprise Edition is a content management system. GitLab Community Edition is a community version of GitLab. Versions of GitLab CE/EE prior to 18.8.7, 18.9.3, and 18.10.1 contain...

Vikjuna: IDOR in Task Attachment ReadOne Allows Cross-Project File Access and Deletion

TaskAttachment.ReadOne queries attachments by ID only WHERE id = ?, ignoring the task ID from the URL path. The permission check in CanRead validates access to the task specified in the URL, but ReadOne loads a different attachment that may belong to a task in another project. This allows any...

CVE-2026-33676

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, when the Vikunja API returns tasks, it populates the relatedtasks field with full task objects for all related tasks without checking whether the requesting user has read permission on those tasks' projects. A...

CVE-2026-33700

Summary: Vikunja before 2.2.1 had an IDOR on link share deletion. The vulnerable endpoint is DELETE /api/v1/projects/:project/shares/:share, which did not verify that the link share belongs to the project in the URL. An admin of any project could delete link shares from other projects by supplyin...

CVE-2026-33700 Vikunja has a Link Share Delete IDOR — Missing Project Ownership Check Allows Cross-Project Link Share Deletion

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the DELETE /api/v1/projects/:project/shares/:share endpoint does not verify that the link share belongs to the project specified in the URL. An attacker with admin access to any project can delete link shares...

CVE-2026-33700 Vikunja has a Link Share Delete IDOR — Missing Project Ownership Check Allows Cross-Project Link Share Deletion

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the DELETE /api/v1/projects/:project/shares/:share endpoint does not verify that the link share belongs to the project specified in the URL. An attacker with admin access to any project can delete link shares...

CVE-2026-33700 Vikunja has a Link Share Delete IDOR — Missing Project Ownership Check Allows Cross-Project Link Share Deletion

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the DELETE /api/v1/projects/:project/shares/:share endpoint does not verify that the link share belongs to the project specified in the URL. An attacker with admin access to any project can delete link shares...

CVE-2026-33678 Vikunja has IDOR in Task Attachment ReadOne Allows Cross-Project File Access and Deletion

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, TaskAttachment.ReadOne queries attachments by ID only WHERE id = ?, ignoring the task ID from the URL path. The permission check in CanRead validates access to the task specified in the URL, but ReadOne loads ...

CVE-2026-33678

Vikunja prior to 2.2.1 suffers an IDOR: TaskAttachment.ReadOne() queries by attachment ID only and ignores the URL task_id, allowing any authenticated user to access or delete attachments across projects by supplying their own task_id. The read path validates the URL task, but ReadOne() loads the...