GHSA-99r5-84gr-59f6

Leantime has Host Header Injection Vulnerability

6.5 MediumFix available

Summary

A host header injection vulnerability has been identified in the user details viewing functionality of the system. This vulnerability allows an attacker to manipulate the host header in HTTP requests, thereby gaining unauthorized access to view details of other users.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

What each source reports

GitHub Advisories Score used6.5

Leantime has Host Header Injection Vulnerability

Summary

Record: GHSA-99r5-84gr-59f6
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-74
Updated: 2026-11-02

OSV6.5

Leantime has Host Header Injection Vulnerability

Summary

Record: GHSA-99r5-84gr-59f6
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-74
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`leantime/leantime` Packagist	before 3.1.2	3.1.2
`leantime/leantime` Packagist	before 3.1.2, plus listed versions 2.42.4-beta2.4-beta-72.4-beta-82.4.1 Show 45 moreShow less 2.4.22.4.32.4.42.4.52.4.72.4.83.0.03.0.0-beta3.0.13.0.23.0.33.0.43.0.53.0.63.0.73.1.0-beta3.1.1v2.0v2.0.1v2.0.10v2.0.11v2.0.12v2.0.13v2.0.14v2.0.15v2.0.2v2.0.3v2.0.4v2.0.5v2.0.6v2.0.7v2.0.8v2.0.9v2.1v2.1-betav2.1-beta2v2.1-beta3v2.1-beta5v2.1-beta6v2.1.1v2.1.2v2.1.3v2.1.4v2.1.5v2.1.6	3.1.2

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	GitHub Advisories, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

GHSA-99r5-84gr-59f6 is a medium vulnerability (CVSS 6.5) in leantime/leantime, published February 21, 2025. No source lists public exploit code. Fixed in leantime/leantime 3.1.2.

References

This page doesn't list everything

Left out here: 43 versions. The JSON record has them.