CVE-2026-116136
ProjectSend 2.0.0 through 2.7.1 Incorrect Authorization via File Version Linking
- State
- Published
- Severity
- 6.0 Medium
- Published
- Oct 25, 2026
- Updated
- Oct 29, 2026
- Reserved
- Oct 25, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.0 Medium | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.9 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N | VulnCheck |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
ProjectSendprojectsend |
|
References
- Patch Commitpatch
- https://github.com/projectsend/projectsendproduct
- https://github.com/projectsend/projectsend/blob/v2.7.1/app/Modules/Files/Versions/FileVersions.php#L456-L467technical-description
- https://github.com/projectsend/projectsend/blob/v2.7.1/app/Modules/Files/Versions/FileVersions.php#L534-L575technical-description
- VulnCheck Advisory: ProjectSend 2.0.0 through 2.7.1 Incorrect Authorization via File Version Linkingthird-party-advisory
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