Auth bypass in Karlomikus Bar-Assistant
CVE-2026-124026
Bar Assistant 6.0.0-rc1 before 6.11.0 contains an incorrect authorization vulnerability in CocktailController::copy that allows registered users to bypass source cocktail membership checks. Attackers owning a bar can POST to /api/cocktails/{id}/copy with other bars' cocktail ids to copy private recipes and images into their own bar.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/karlomikus/bar-assistant (product)
- github.com/karlomikus/bar-assistant/blob/v6.10.1/app/Http/Controllers/CocktailC… (technical-description)
- github.com/karlomikus/bar-assistant/commit/bb246d461faf8b50f7814e34b49eb6c3647d… (patch)
- github.com/karlomikus/bar-assistant/issues/641 (issue-tracking)
- github.com/karlomikus/bar-assistant/releases/tag/v6.11.0 (release-notes)
- www.vulncheck.com/advisories/bar-assistant-6.0.0-rc1-before-6.11.0-incorrect-au… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-124026?
- CVE-2026-124026 is a medium-severity vulnerability in Karlomikus Bar-Assistant, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-11-06.
- How severe is CVE-2026-124026?
- Medium severity. CVSS v3 base score is 4.3 out of 10.