CVE-2026-15509

Medium

Description

A vulnerability has been found in Leantime up to 3.8.0. This impacts the function editUser/addUser of the component JSON-RPC Endpoint. The manipulation of the argument role leads to improper authorization. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

SeverityMedium
CVSS6.3
Exploit probability—
ProductLeantime
PublishedJul 12, 2026
First seenJul 12, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
leantime leantime3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8.0—

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