Low

Kimai information disclosure vulnerability

  • Disclosed: 07.05.2024
  • Updated: 11.10.2026 10:22

A vulnerability was found in Kimai up to 2.15.0 and classified as problematic. Affected by this issue is some unknown functionality of the component Session Handler. The manipulation of the argument PHPSESSIONID leads to information disclosure. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. Upgrading to version 2.16.0 is able to address this issue. It is recommended to upgrade the affected component. VDB-263318 is the identifier assigned to this vulnerability.

Affected software

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PlatformPackageVulnerable versionsFixed in
Composer package kimai/kimai < 2.16.0 2.16.0

References

CVSS score 3.7/10
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE)
CWE-200
Platform
Composer
Package
kimai/kimai
Disclosed
07.05.2024
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-6f3v-2r2j-2rpr - CC BY 4.0

Vulnerability history: kimai/kimai

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (33) in the archive
Total entries
33
First → latest
02.2023 07.2026
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • Critical 2
  • High 4
  • Medium 20
  • Low 7

Disclosures per year

  1. 2023: 2
  2. 2024: 3
  3. 2025: 1
  4. 2026: 27
Severity:
  1. High · 9.8 CVE-2023-53957 <= 1.30.10 no fix
  2. High · 6.5 ghsa-534c-hcr7-67jg < 2.21.0 2.21.0
  3. Kimai information disclosure vulnerability this entry
    Low · 3.7 CVE-2024-4596 < 2.16.0 2.16.0
  4. Critical · 9.6 CVE-2020-19825 < 1.1 1.1

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