8.1

CVE-2026-40196

HomeBox has Unauthorized API Access via Retained defaultGroup ID After Group Access Revocation

HomeBox is a home inventory and organization system. Versions prior to 0.25.0 contain a vulnerability where the defaultGroup ID remained permanently assigned to a user after being invited to a group, even after their access to that group was revoked. While the web interface correctly enforced the access revocation and prevented the user from viewing or modifying the group's contents, the API did not. Because the original group ID persisted as the user's defaultGroup, and this value was not properly validated when the X-Tenant header was omitted, the user could still perform full CRUD operations on the group's collections through the API, bypassing the intended access controls. This issue has been fixed in version 0.25.0.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Sysadminsmedia ≫ Homebox Version < 0.25.0
VulnDex Vulnerability Enrichment
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.25% 0.157
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE-708 Incorrect Ownership Assignment

The product assigns an owner to a resource, but the owner is outside of the intended control sphere.

https://github.com/sysadminsmedia/homebox/security/advisories/GHSA-6pvm-v73p-p6m9
Vendor Advisory
https://github.com/sysadminsmedia/homebox/releases/tag/v0.25.0
Product
Release Notes