{"api_version":"1","generated_at":"2026-09-04T13:47:26+00:00","cve":"CVE-2026-54766","urls":{"html":"https://cve.report/CVE-2026-54766","api":"https://cve.report/api/cve/CVE-2026-54766.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-54766","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-54766"},"summary":{"title":"Vikunja: Project duplication bypasses write-permission check on the target parent project","description":"Vikunja is an open-source self-hosted task management platform. From 0.21.0 until 2.4.0, the project duplication operation in pkg/models/project_duplicate.go allows an authenticated user who can read a source project to place its duplicate beneath an arbitrary target parent project. ProjectDuplicate.CanCreate calls parent.CanCreate on an unhydrated Project containing only the body supplied parent_project_id instead of calling parent.CanWrite, so the target parent write-permission check is skipped. The ordinary project creation path enforces that permission, but PUT /api/v1/projects/{project}/duplicate does not, allowing attacker-owned content to be injected into another user or team project hierarchy. This issue is fixed in version 2.4.0.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-08-28 20:18:17","updated_at":"2026-08-28 22:16:49"},"problem_types":["CWE-285","CWE-863","CWE-285 CWE-285: Improper Authorization","CWE-863 CWE-863: Incorrect 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From 0.21.0 until 2.4.0, the project duplication operation in pkg/models/project_duplicate.go allows an authenticated user who can read a source project to place its duplicate beneath an arbitrary target parent project. ProjectDuplicate.CanCreate calls parent.CanCreate on an unhydrated Project containing only the body supplied parent_project_id instead of calling parent.CanWrite, so the target parent write-permission check is skipped. The ordinary project creation path enforces that permission, but PUT /api/v1/projects/{project}/duplicate does not, allowing attacker-owned content to be injected into another user or team project hierarchy. This issue is fixed in version 2.4.0.","Type":"Description","Title":"Vikunja: Project duplication bypasses write-permission check on "}]}}}