SB2026100541 - Authorization bypass through user-controlled key in Leantime



SB2026100541 - Authorization bypass through user-controlled key in Leantime

Published: October 5, 2026

Security Bulletin ID SB2026100541
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Authorization bypass through user-controlled key (CVE-ID: N/A)

CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper authorization in the self-service profile update functionality. A remote user can change another user's password and takeover target account.


Remediation

Install update from vendor's website.