SB2026042814 - Multiple vulnerabilities in Kimai



SB2026042814 - Multiple vulnerabilities in Kimai

Published: April 28, 2026

Security Bulletin ID SB2026042814
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Protection Mechanism Failure (CVE-ID: N/A)

CWE-ID: CWE-693 - Protection Mechanism Failure

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient implementation of security measures in the config() Twig function within invoice/export templates. A remote user can bypass implemented security restrictions and gain access to sensitive information on the system.


2) Incorrect authorization (CVE-ID: N/A)

CWE-ID: CWE-863 - Incorrect Authorization

CVSSv4: 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/E:P/U:Green


The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to missing voter check. A remote user can enumerate, read, modify and permanently delete timesheets belonging to any other user in the target system.


Remediation

Install update from vendor's website.