sysadminsmedia HomeBox up to 0.25.x Group Member Management /v1/groups/members GroupService.AddMember userID information disclosure

Summaryinfo

A vulnerability labeled as problematic has been found in sysadminsmedia HomeBox up to 0.25.x. The affected element is the function GroupService.AddMember of the file /v1/groups/members of the component Group Member Management. Such manipulation of the argument userID leads to information disclosure. This vulnerability is traded as CVE-2026-48974. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in sysadminsmedia HomeBox up to 0.25.x. It has been rated as problematic. Affected by this issue is the function GroupService.AddMember of the file /v1/groups/members of the component Group Member Management. The manipulation of the argument userID with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

HomeBox is a home inventory and organization system. Prior to 0.26.0, POST /v1/groups/members invokes HandleGroupMemberAdd and GroupService.AddMember using a caller-supplied userID without requiring an owner role, an invitation token, target-user consent, or target-user notification. Any authenticated user can force another account into the caller's group, disclose the target user's email address and name through the resulting member list, and create the membership prerequisite used by a separate cross-group inventory-wipe vulnerability. This issue is fixed in version 0.26.0.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-48974 since 05/27/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading to version 0.26.0 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• sysadminsmedia

Name

• HomeBox

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25

Website

• Product: https://github.com/sysadminsmedia/homebox/

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