Vulnerability · Published Oct 25, 2026 · Assigned by VulnCheck

CVE-2026-116136ProjectSend 2.0.0 through 2.7.1 Incorrect Authorization via File Version Linking

Medium 5.9

In plain English

A medium-severity incorrect authorization in ProjectSend from projectsend. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 3.1)5.9Medium

Exploit odds (30 days)0.2%top 89.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
projectsend	ProjectSend	2.0.0 – through 2.7.1

Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

References

Patch Commit patch
https://github.com/projectsend/projectsend product
https://github.com/projectsend/projectsend/blob/v2.7.1/app/Modules/Files/Versions/FileVersions.php#L456-L467 technical-description
https://github.com/projectsend/projectsend/blob/v2.7.1/app/Modules/Files/Versions/FileVersions.php#L534-L575 technical-description
VulnCheck Advisory: ProjectSend 2.0.0 through 2.7.1 Incorrect Authorization via File Version Linking third-party-advisory