CVE-2026-84808

Medium

Description

Kimai versions before 2.65.0 contain an authorization bypass vulnerability in the REST API timesheet collection endpoint that fails to enforce activity-team access controls. Users with view_other_timesheet permission can list timesheets using activities restricted to teams they do not belong to, bypassing intended data isolation.

SeverityMedium

CVSS4.3

Exploit probability—

ProductKimai

PublishedSep 2, 2026

First seenSep 2, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

kimai kimai2.65.0 or later

Vendor advisories

github.com/kimai/kimai/security/advisories/GHSA-c6j4-35fc-x3hw

Affected products

Product	Affected versions	Fixed in
kimai kimai	v < 2.65.0	2.65.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.