Auth bypass in Projectsend
CVE-2026-116136
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.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/projectsend/projectsend/commit/a6ce4f51cfd05e1c9895f8daed261ef1fdfd1… (patch)
- github.com/projectsend/projectsend (product)
- github.com/projectsend/projectsend/blob/v2.7.1/app/Modules/Files/Versions/FileV… (technical-description)
- github.com/projectsend/projectsend/blob/v2.7.1/app/Modules/Files/Versions/FileV… (technical-description)
- www.vulncheck.com/advisories/projectsend-2.0.0-through-2.7.1-incorrect-authoriz… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-116136?
- CVE-2026-116136 is a medium-severity vulnerability in Projectsend, classified under Incorrect Authorization. CVSS score: 5.9/10. Published 2026-10-25.
- How severe is CVE-2026-116136?
- Medium severity. CVSS v3 base score is 5.9 out of 10.