---
id: CVE-2026-116136
title: >-
  ProjectSend 2.0.0 through 2.7.1 Incorrect Authorization via File Version
  Linking
summary: >-
  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 inter…
severity: medium
cvss: 5.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-863
vendor: projectsend
product: ProjectSend
affected:
  - ProjectSend >= 2.0.0 <= 2.7.1
published: '2026-10-25'
updated: '2026-10-25'
sourceUpdated: '2026-10-25T11:51:01.317Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116136'
references:
  - url: >-
      https://github.com/projectsend/projectsend/commit/a6ce4f51cfd05e1c9895f8daed261ef1fdfd194d
    label: Patch Commit
  - url: 'https://github.com/projectsend/projectsend'
  - url: >-
      https://github.com/projectsend/projectsend/blob/v2.7.1/app/Modules/Files/Versions/FileVersions.php#L456-L467
  - url: >-
      https://github.com/projectsend/projectsend/blob/v2.7.1/app/Modules/Files/Versions/FileVersions.php#L534-L575
  - url: >-
      https://www.vulncheck.com/advisories/projectsend-2.0.0-through-2.7.1-incorrect-authorization-via-file-version-linking
    label: >-
      VulnCheck Advisory: ProjectSend 2.0.0 through 2.7.1 Incorrect
      Authorization via File Version Linking
tags:
  - cve.org
ingestedAt: '2026-10-25T22:08:29.957Z'
---

## Overview

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.

## Affected

- `ProjectSend >= 2.0.0 <= 2.7.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.