{"id":"CVE-2026-116136","published":"2026-10-25T12:16:30.080","lastModified":"2026-10-25T12:16:30.200","description":"ProjectSend 2.0.0 through 2.7.1 contains an incomplete authorization vulnerability in FileVersions::link() that allows staff users to share files without authorization by linking file versions. Attackers can link their file onto an intermediate revision or assign out-of-scope clients, causing moveAssignmentsToRoot() to expose protected original files to unauthorized clients.","cvssScore":5.9,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","cwes":["CWE-863"],"vendors":[],"products":[],"references":[{"url":"https://github.com/projectsend/projectsend","tags":[]},{"url":"https://github.com/projectsend/projectsend/blob/v2.7.1/app/Modules/Files/Versions/FileVersions.php#L456-L467","tags":[]},{"url":"https://github.com/projectsend/projectsend/blob/v2.7.1/app/Modules/Files/Versions/FileVersions.php#L534-L575","tags":[]},{"url":"https://github.com/projectsend/projectsend/commit/a6ce4f51cfd05e1c9895f8daed261ef1fdfd194d","tags":[]},{"url":"https://www.vulncheck.com/advisories/projectsend-2.0.0-through-2.7.1-incorrect-authorization-via-file-version-linking","tags":[]}],"exploitRefs":[{"url":"https://github.com/projectsend/projectsend","tags":[]},{"url":"https://github.com/projectsend/projectsend/blob/v2.7.1/app/Modules/Files/Versions/FileVersions.php#L456-L467","tags":[]},{"url":"https://github.com/projectsend/projectsend/blob/v2.7.1/app/Modules/Files/Versions/FileVersions.php#L534-L575","tags":[]},{"url":"https://github.com/projectsend/projectsend/commit/a6ce4f51cfd05e1c9895f8daed261ef1fdfd194d","tags":[]}],"hasPoc":true,"ai":null}