HIGH 8.1 NVD
CVE-2026-48976
HomeBox is a home inventory and organization system. Prior to 0.26.0, NotifierRepository.Update in backend/internal/data/repo/repo_notifier.go updates a notifie
HomeBox is a home inventory and organization system. Prior to 0.26.0, NotifierRepository.Update in backend/internal/data/repo/repo_notifier.go updates a notifier through UpdateOneID(id) without requiring the record's user ID to match the authenticated user. An authenticated user who supplies another tenant's notifier UUID to PUT /v1/notifiers/{id} can read the returned stored url, which may contain plaintext Shoutrrr credentials for Slack, SMTP, Telegram, Pushover, or Discord, and can replace the URL to redirect the victim's notifications to an attacker-controlled webhook. This issue is fixed in version 0.26.0.
References
- https://github.com/sysadminsmedia/homebox/commit/ed3216a80998dfd81d4418700696244144883160
- https://github.com/sysadminsmedia/homebox/releases/tag/v0.26.0
- https://github.com/sysadminsmedia/homebox/security/advisories/GHSA-mc8h-5c5v-37p7
This high severity vulnerability with a CVSS score of 8.1 was published on 2026-09-21 via NVD.
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